Latest articles by Calla Cofield
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.
DIY Moon Kit from NASA Helps You Track Lunar Phases
Make a New Year's resolution to get out and look at the moon more often, with help from a free, do-it-yourself Moon Phases Calendar and Calculator from NASA.
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.
Tourist Snaps Sneak Peek of SpaceX Falcon Heavy Payload Fairing in Florida
A lucky visitor to NASA's Kennedy Space Center snapped a photo of the payload container that will fly aboard SpaceX's new megarocket, the Falcon Heavy.
The Greatest Space Science Stories of 2017
Here are Space.com's top 10 favorite space science stories of 2017. Do you agree with our #1 pick?
Standard 'Launch Unit' Could Make It Easier to Send Small Payloads to Space
The Aerospace Corporation wants to establish a standard "launch unit" for cargo going to space. Could it help small-satellite providers save time and money?
Rocket Lab Aborts Test Launch Seconds Before Liftoff
The private spaceflight company Rocket Lab aborted a scheduled test launch of its small-scale Electron rocket today (Dec. 11), just 2 seconds before liftoff.
