Latest articles by Calla Cofield
Jupiter's Stripes Reveal Stunning Details in New Juno Probe Images
The ribbons of gas that wrap around Jupiter are on display in two stunning, high- resolution images from NASA's Juno probe.
'Search for Extraterrestrial Intelligence' Needs a New Name, SETI Pioneer Says
SETI pioneer Jill Tarter thinks the "search for extraterrestrial intelligence" needs to undergo a rebranding.
'Cosmos' Tackles Humanity's Future: Q&A with Creator Ann Druyan
"Cosmos" writer and creator Ann Druyan talks about the upcoming season and why everyone deserves to understand science.
Ursula K. Le Guin, Influential Science Fiction Writer, Dies at 88
Writer Ursula K. Le Guin, whose work spanned multiple genres including science fiction, fantasy, poetry and essays, died on Monday (Jan. 22) at the age of 88.
In the Search for Alien Life, 'Everyone Is an Astrobiologist'
Mary Voytek, NASA's senior scientist for astrobiology, must grapple with the interdisciplinary nature of the search for life elsewhere in the universe.
Rocket Lab Launches 2nd Test Flight of Electron Small-Satellite Booster
An Electron rocket built by the commercial startup Rocket Lab successfully took off today (Jan. 20) from New Zealand, carrying the company's first customer payloads.
No, an Asteroid Is Not Going to Collide with Earth in February
An asteroid's upcoming close pass with Earth has been the subject of some sensational news coverage — but is there is anything to fear?
After Delay, Rocket Lab to Attempt 2nd Electron Launch Today: How to Watch
Tonight (Jan. 19), the private spaceflight company Rocket Lab will once again attempt a second test launch of its small-scale Electron rocket.
'Cosmos: A Spacetime Odyssey' TV Series Will Return in 2019
"Cosmos: A Spacetime Odyssey" will return for a second season in the spring of 2019, with astronomer Neil deGrasse Tyson returning as host.
Five-Exoplanet System Discovered Thanks to Citizen Scientists
Five sibling planets in a very unique orbit around their parent star were discovered with the help of citizen scientists around the world.
Rocket Booster Falls from Sky and Explodes in Chinese Town After Satellite Launch
A Chinese Long March 3B rocket booster may have fallen from the sky and exploded near a town in southwest China today (Jan. 12), according to the GB Times and social media reports.
Mysterious Radio Blasts from a Distant Galaxy Draw Attention of Alien Hunters
Repeating bursts of radio waves coming from a distant dwarf galaxy probably aren't signals from an extraterrestrial civilization, but that hasn't stopped a group of E.T. hunters from investigating.
A Veil of Ice: Saturn's Translucent Rings Revealed in Cassini Image
Saturn's rings are like a translucent veil wrapped around Saturn, as this image from the Cassini spacecraft makes clear.
Last Chance for Citizens to Nominate National Space Council Advisory Members
Wednesday (Jan.10) is the last day for U.S. citizens to submit nominations for an advisory group to the National Space Council.
The Hole in Earth's Ozone Layer Is Healing, First-of-Its-Kind Study Shows
Efforts to heal the hole in Earth's ozone layer over Antarctica appear to be paying off, according to a first-of-its-kind study that looked directly at ozone-destroying chemicals in the atmosphere.
The Evolution of NASA's Mars Rover Tires in Pictures
Designing wheels for off-Earth vehicles and robotic rovers has always been a challenge. Now, NASA engineers are working on new wheel designs with an innovative material.
Blue Velvet: Jupiter's Cloud Tops Appear Azure in New Juno Image
Jupiter's twirling, swirling, candy-colored clouds are once again on display in new images from NASA's Juno probe, processed by citizen scientists.
Earth and Sun Snuggle Up for Closest Encounter of the Year
At 12:35 a.m. EDT (0535 GMT) this morning (Jan. 3), Earth reached its closest point to the sun in its yearly orbit. But this change in distance won't cause an increase in global temperatures.
Pale Blue Dot, Beautiful Planet: The Best Astronaut Images of Earth from 2017
A new video from NASA features the very best photographs of Earth taken by astronauts from the International Space Station in 2017.
Astronauts Are Gearing Up to Celebrate the New Year in Space (Video)
In a new video from NASA, astronauts on the International Space Station talk about how they'll celebrate New Year's Eve.
SpaceX's 1st Falcon Heavy Rocket Now at Launchpad Ahead of Maiden Flight
SpaceX's Falcon Heavy megarocket was rolled out on the launchpad today (Dec. 28), as the company prepares for the rocket's maiden flight, which is scheduled for next month.
Asteroid Phaethon's Earth Flyby, Closest Until 2093, Captured by Arecibo Observatory
Images from the Arecibo Observatory in Puerto Rico show a massive space rock's close approach to Earth on Dec. 16.
