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April 2011

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209 articles

April 30
- Stunning Space Photos from Astronaut Paolo Nespoli
April 29
- NASA Delays Last Launch of Shuttle Endeavour Due to Malfunction
- Obamas Visit NASA Spaceport Despite Shuttle Launch Delay
- How Did NASA Pick Endeavour's New Launch Time?
- Tracks of Alabama Tornadoes Spied from Space
- NASA's Voyager Probes to Leave Solar System by 2016
- 5 Facts About NASA's Far-Flung Voyager Spacecraft
- Endeavour's Shuttle Launch Delay Comes with Large Price Tag
- Russian Cargo Ship Docks at Space Station Ahead of Shuttle Launch
- Royal Wedding Mania Reaches Astronauts in Space
- Shuttle Launch Fever: NASA's VIP Guest List for Endeavour's Last Hurrah
- Russian Cargo Ship En Route to Space Station
- NASA Fuels Endeavour for Next-to-Last Shuttle Launch Today
- Lightning Strikes Behind Shuttle Endeavour in Spectacular Photos
April 28
- Rare Sky Sight: Europeans Could See Endeavour, Fuel Tank After Shuttle Launch
- NASA's Youngest Shuttle: The Historic Endeavors of Space Shuttle Endeavour
- Four Companies at Forefront of Commercial Space Race
- Six Planets Now Aligned in the Dawn Sky
- Shuttle Launch to Carry Experimental Cracker-Size Satellites Into Orbit
- NASA Expects 700,000 Spectators for Friday Shuttle Launch
- 6 Surprising Facts About NASA's Space Shuttle Endeavour
- Gravitational Tug-of-War Distorts Spiral Galaxy Pair
- Scientists Itching for Suborbital Space Research
- Next Giant Leap for Space Tourism: A Trip Around the Moon
April 27
- NASA: Brush Fire Near Space Shuttle Launch Site Poses No Threat
- Giffords Shooting Devastated Space Shuttle Endeavour's Close-Knit Crew
- First Stars in Universe May Have Spun Like Crazy
- NASA Clears Space Shuttle Endeavour for One Last Launch
- Historic Star Explosion's Trigger Discovered
- Space Tourism Pioneer: Q & A With Private Spaceflyer Dennis Tito
- First Space Tourist: How a U.S. Millionaire Bought a Ticket to Orbit
April 26
- NASA Solar Sail Prototype Gets Longer Life in Orbit
- How Schoolchildren Named NASA's Space Shuttle Endeavour
- E.T., Hold Please: SETI Halts Alien Search Due to Cutbacks
- Astronaut Mark Kelly and Shuttle Endeavour's Last Crew Arrive at Florida Launch Site
- Pulling 6 Gs: A Wild, Intense Ride Awaits Space Tourists
- Antimatter-Hunting Experiment Ready for Space Mission
- Weather Looking Good for Friday's Space Shuttle Launch
- Q & A: World's First Space Tourists Reflect on Dawn of Private Spaceflight
- Royal Wedding Fever? Not for NASA's Next-to-Last Space Shuttle Launch
- Russia's Space Station Mir: The First Space Tourist Hotspot?
April 25
- Photos: The First Space Tourists
- Alien Bacteria Could Breed in Extreme 'Hypergravity'
- How the Space Tourism Business Could See Orbital Boom
- Future of Space Tourism: Who's Offering What
- Giffords Will Attend Her Astronaut Husband's Space Shuttle Launch
- Explanation Proposed for Weird Space Anomaly Seen By Pioneer Probes
April 23
- European Rocket Launches Two New Satellites Into Orbit
- No Sex in Space, Yet, Official Says
- Virgin Galactic's Tourist Spaceship Makes Longest Test Flight Yet
April 22
- Did the Universe Begin As a Simple 1-D Line?
- Lackluster Lyrid Meteor Shower Ends April 25
- Asteroid or Planet? NASA Aims to Settle Vesta Debate
- Pope May Make 1st Call to Space Station Astronauts
- Florida Braces for Huge Crowds for Friday's Space Shuttle Launch
- How to Watch Space Shuttle Endeavour's Last Launch
- See the Bright Yellow Star Arcturus in the Night Sky
April 21
- Earth From Space: An Astronaut's Quest to Protect Our 'Fragile Oasis'
- How to Celebrate Earth Day with NASA
- When Galaxies Meet: Hubble Telescope Snaps Photo for 21st Birthday
- Image of the Day: March 2011
- Secretive Spaceship Builder's Plans Hinted at in NASA Agreement
- Mars' Thick Dry Ice Sheet Points to Planet's Wetter Past
- Uranus and Venus Visible at Dawn on Saturday
- CIA Cover-up Alleged in JFK's 'Secret UFO Inquiry'
- The Most Amazing Hubble Space Telescope Discoveries
April 20
- Image of the Day: February 2011
- President Obama to Attend Space Shuttle Launch Next Week
- Photos: Texas Wildfires Seen From the McDonald Observatory
- Icy Moon Creates Extra Northern Lights on Saturn
- Stunning Time-Lapse Video: The Milky Way Over Canary Islands
- Indian Rocket Reaches Space with Observation Satellite
- Obama Dismisses Claim That Politics Denied Houston a Space Shuttle
- Viral Video of 'Alien' in Siberia a Convincing Fake
- One Possible Small Step Toward Mars Landing: A Martian Moon
April 19
- McDonald Observatory Gets Wild View of Texas Wildfires
- NASA: Final Launch of Space Shuttle Endeavour Set for April 29
- Pluto's Atmosphere Found Poisonous and Surprisingly High
- Hottest Known Planet May Use Shock Wave to Save Atmosphere
- NASA Discusses Launch Plan for Shuttle Endeavour's Final Flight
- Space Mission to Hunt Gravity Waves Shuts Down Over NASA Funding Shortage
- Some Alien Planets May Be Like Saturn's Moon Titan
April 18
- Planets With Two Suns Could Grow Black Trees
- Space Medicines for Astronauts Don't Have the Right Stuff
- Private Spaceship Builders Split Nearly $270 Million in NASA Funds
- New Radio Wave Technique Could Detect Alien Planets
- Hacker Breaches European Space Agency's Servers
- Did a Supernova Mark 17th Century King's Birth?
- Why Is It So Hard to Travel to Mars?
- NASA to Announce Funding for Private Spaceship Builders Today
- IC5146 Interstellar Cloud Space Wallpaper
- Rare Sight: Mercury to Meet Mars at Dawn on Tuesday
- Big Test Looms for British Space Plane Concept
April 17
- Liftoff! SpaceX's Falcon 9 Rocket Debut
April 16
- NASA's 2011 Budget Should Allow Flexibility Despite Cuts
April 15
- Astronauts in Space Have to File Taxes Too
- Citizen Scientists Help Find Alien Planets
- NASA Space Shuttle Contractor Announces Layoffs for 2,800 Workers
- Sun's Storm Season Finally Heating Up
- Saturn Forms Triangle with Moon and Star Saturday
- April's Full Moon Arrives Sunday With Easter Name
- NASA Photos Bring Millions of Galaxies and Asteroids Down to Earth
- Rho Ophiuchi Space Wallpaper
- Surprising Find: Sonic Booms in Space May Shape Interstellar Strings
- WISE Up: Space Photos from NASA's Sky-Mapping Telescope
- New U.S. Spy Satellite Launches on Clandestine Mission
- Congress Approves $18.45 Billion for NASA
- NASA Names Mission Control After 1st U.S. Space Flight Director
April 14
- DARPA Wants Telescopes to Protect Military Satellites From Space Junk
- Amateur Video Shows Spinning Asteroid That 'Winks'
- Satellite Photographs 'Black Hole' on Earth
- Long Shot: NASA Contractor Could Keep Flying Space Shuttles
- 2011 Skywatching Guide: Planets in the Solar System
- Skywatching Events for April 2011
- NASA Faces Awkward, Unfortunate Spaceflight Gap
- First Galaxies Born Sooner After Big Bang Than Thought
April 13
- Retired Navy Admiral to Lead Commercial Spaceflight Federation
- Spaceflight Groupies Revel Worldwide at Yuri's Night Shindigs
- Houston Has Problem with NASA's Choices of Space Shuttle Homes
- How Much Are NASA's Space Shuttles Worth?
- 30 Years Ago: 1st Shuttle Astronauts Photograph Earth's Cradle of Civilization
- Evidence of Big Bang May Disappear in 1 Trillion Years
- Veteran Space Reporters Win Big Honors
- Amateur Observations Suggest 20-Year-Old Spy Satellite Was Destroyed
- Vintage Soviet Space Capsule Sold for Record $2.9 Million
- Alien Worlds Could Circle Dying White Dwarf Stars
- U.S. Budget Compromise Includes $18.5 Billion for NASA
- Private Rocket Firm Under Pressure to Fill Space Shuttle Void
- Yuri Gagarin on Vostok 1: How the 1st Human Spaceflight Worked (Infographic)
- Space-Time Around Black Holes Visualized
- 'The Aurora': Photographer Films Amazing Northern Lights Show
- Space Plane Era Won't End With NASA's Shuttle Retirement
- Auroras Dazzle Northern Observers
April 12
- Image of the Day: January 2011
- NASA Gives Space Shuttles to Smithsonian and Museums in Calif., Florida and NYC
- Texas Wildfires Cut Power to McDonald Observatory
- Space Shuttle's 1st Pilot: Q&A With Former NASA Astronaut Bob Crippen
- What the Next 50 Years Hold for Human Spaceflight
- Why There's No Replacement for the Space Shuttle
- Uncertainty Plagues NASA on 50th Anniversary of Human Spaceflight
- Visions of the Future of Human Spaceflight
April 11
- NASA Chief's Big Decision: Where Should the Space Shuttles Retire?
- Why Haven't We Colonized Mars Yet?
- Dawn of the Space Shuttle Era Space Wallpaper
- Last Flight of Space Shuttle Discovery: STS-133
- Jupiter: Latest discoveries and photos of the solar system's largest planet
- Sausages in Space? Secrets of Yuri Gagarin's Historic Spaceflight Revealed
- Venus, Second Planet From the Sun
- Mercury, First Planet From the Sun: Latest Discoveries
- Mars, the Red Planet: Latest News and Discoveries
- Total Cost of NASA's Space Shuttle Program: Nearly $200 Billion
- FBI's UFO File: Proof of Roswell?
- Image of the Day: December 2010
- Don't Blame Me, I Voted for Amidala
- The Fallen Heroes of Human Spaceflight
- Phantom Heresies: Return of the Bounty Hunter
- 6 Surprising Facts About the First Human Spaceflight
- Is Space Tourism the New Space Race?
- NASA to Reveal New Museum Homes for Retired Shuttles Tuesday
April 9
- Saturn's Moon Titan May Not Have Ice Volcanoes After All
April 8
- Government Shutdown Would Leave All but 500 NASA Workers Idle
- NASA's Space Shuttles at 30: Q&A with Former Shuttle Chief Wayne Hale
- Skywatcher's Journal: How Halley's Comet Opened Window Into Southern Sky
- Long Government Shutdown Could Delay Space Shuttle Launch
- Space Race: Could the U.S. Have Beaten the Soviets Into Space?
- Huge Asteroid to Pass Near Earth in November
April 7
- Space Station Crucial for Going to Mars, NASA Chief Says
- Image of the Day: November 2010
- Space Historian Urges Changes for NASA on TV's Colbert Report
- Powerful Space Explosion May Herald Star's Death By Black Hole
- Starquakes and Eclipses: NASA Spacecraft Provides Star Mystery 'Treasure Trove'
- Bizarre Vortex on Venus Changes Shape Every Day
- NASA Examines Top Martian Landing Spots for Next Mars Rover
- Space Shuttle's Lasting Legacy: 30 Years of Historic Feats
- Virgin Galactic's Private SpaceShipTwo Soars Over San Francisco
April 6
- Russian Spaceship 'Gagarin' Arrives at Space Station
- NASA Braces for Possible Government Shutdown
- Asteroid Stalks Earth in Weird Horseshoe-Shaped Orbit
- U.S. Air Force Weighs Plan to Help Avoid Future Satellite Crashes
- 'Brand-New' Moon Shines in NASA's Best Lunar Map Yet
- Huge Private Rocket Could Send Astronauts to the Moon or Mars
- 4.5-Billion-Year-Old Antarctic Meteorite Yields New Mineral
- The Moon Visits Two Star Clusters in Night Sky
- Comet Samples Reveal Surprising Signs of Liquid Water
- Baby Star's Twin Gas Jets Fire on Time Delay
April 5
- Space Junk Threat Will Grow for Astronauts and Satellites
- New iPad App Touts Starry Power of Space
- Milky Way Over the Desert Space Wallpaper
- Chinese Space Junk Won't Hit Space Station, NASA Says
- Space Junk Threat Forces Space Station Crew to Take Shelter
- Science Shortfalls Limit NASA's Human Spaceflight Ambitions
- SpaceX Unveils Plan for World's Most Powerful Private Rocket
- New Account of a Russian Cosmonaut's Death Rife with Errors
April 4
- Russia Honors First Person in Space With Rocket Launch
- Russian Rocket Launches New Space Station Crew Into Orbit
- Earth's 'Valley of the Moon' Seen by Satellite
- Spacesuit Suite: Evolution of Cosmic Clothes (Infographic)
- NASA Delays Final Launch of Shuttle Endeavour to Avoid Space Traffic Jam
- Russian Rocket to Launch New Space Station Crew Today
- Russia Weighs Glitches With Digital Soyuz Spaceship
- Where Will NASA's Space Shuttles Retire? 21 Museums Want to Know
April 1
- Europeans Want Space Debris Trackers of Their Own
- Big Dipper's Stars Pour on the Shine in Northern Sky
- Space Shuttle Endeavour's Last Crew Practices Launch Day
- NASA: Mysterious Fireball Season Set to Light Up Night Sky
- Houston Deserves a Space Shuttle for Display, Astronaut Spouses Say
- New Image Is Worth 1,235 Potential Alien Planets
- Obama Administration Pushing Back on Congressionally Directed Rocket
- NASA's Moonbuggy Race: Pedal-Powered Rovers Face Off for Prizes