Latest articles by Jeremy Hsu
Space Junk Rivals Weapons as a Major Threat
What began as a minor trash problem in space has now developed into a full-blown threat.
Solar Sail Flotilla Could Divert Possibly Dangerous Asteroid
A flotilla of solar sail spacecraft could change the course of the asteroid Apophis – which is headed a little too close to Earth for comfort
Q&A: Engineer Hopes to Buy Satellite to Provide Free Internet
An engineer hopes to buy an ailing satellite and reposition it to provide free Internet for developing countries
Experts Question Usefulness of Air Force's Robotic X-37B Space Plane
New observations of the Air Force's secretive unmanned X-37B space plane have put the spacecraft's classified mission back in the limelight.
Experts Question Usefulness of Air Force’s Robotic X-37B Space Plane
New observations of the Air Force's secretive unmanned X-37B space plane have put the spacecraft's classified mission back in the limelight.
Iran's Space Program: Lots of Talk, but a Chance to Shine
Putting a human on the moon may be beside the point for Iran
U.S. Must Be Ready to Meet Asteroid Threat, White House Science Adviser Says
Top White House science advisor says the U.S. has global responsibility for asteroid detection.
Deep Hotspots on Ancient Mars Looked Habitable
The discovery may also help solve the methane mystery on Mars.
World's Military Projects Still Dominate Space
The U.S. leads in defense-related space programs, but its dependence upon the eyes in the sky could also make it vulnerable.
A Million Questions About Habitable Planet Gliese 581g (Okay, 12)
Wondering what's up with that Earth-sized planet in the habitable zone? We've got answers.
Airborne Laser Goes Off-Target Due to Software Bug
A control software glitch forced an abort of a laser test meant to shoot down a ballistic missile.
Hair Dryer Glitch Pushes Private Danish Rocket Launch to 2011
A $70,000 private rocket built by Danish volunteers aims for next year after a first launch attempt fizzled.
How Microbes Could Help Colonize Mars
An ancient blue-green algae could help mine precious resources and bolster life support systems on the surface of Mars.
Chinese Satellites Bump During Secret Maneuvers
A close encounter between Chinese satellites points to China testing its growing space capabilities.
Few Asteroids Look Ripe for Astronaut Visit By 2025
Human explorers can only reach a limited number of asteroids during the next several decades.
Private Danish Rocket Aims for Sunday Launch
A $70,000 private rocket built by Danish volunteers is now set to carry a dummy into suborbital space on Thursday.
Private Danish Rocket to Launch Mock Astronaut Tuesday
A $70,000 private rocket built by Danish volunteers could pave the way for cheap manned spaceflight.
Proposal for Next Big Telescope Puzzles Some Astronomers
Some astrophysicists were a bit puzzled by the choice of a $1.6 billion infrared space telescope as the top priority for the next decade of astronomy.
$1.6 Billion Telescope Would Search Alien Planets and Probe Dark Energy
A much-anticipated report lays out the big telescopes that will push scientific discovery during the next decade or two.
Part of Space Station Could Carry Crew to an Asteroid, NASA Says
A piece of the space station could transform into part of the spacecraft which carries humans to visit an asteroid.
Experts Will Weigh In On How to Put Humans On an Asteroid
NASA takes another step toward a future human mission to explore an asteroid by asking for expert input at a two-day workshop this week.
Solar Sail Spacecraft Steers with Sunlight for First Time
Japan's solar sail uses a novel on-and-off reflection technique to steer solely by the pressure of sunlight.
Telescope's New Laser Vision Makes the Heavens Less Blurry
An adaptive optics system that uses many lasers for the first time allows telescopes to see wider views of the skies without the blurry effect of atmospheric turbulence.
