Exomoons are likely the most abundant objects in the universe and are potentially the cultivating grounds for life. But scientists have found only one so far, and they're not even sure yet if it qualifies.
No one in Northern California would question that the Camp Fire, in addition to killing dozens of people, destroying thousands of houses and burning a huge amount of land, has made the region's air hard to breathe.
NASA's InSight lander will arrive at the Red Planet on the afternoon of Nov. 26, hopefully amid a flurry of celebratory whoops akin to those elicited by the successful touchdown of the Curiosity Mars rover on Aug. 5, 2012.
On Nov. 26, NASA's Mars InSight lander will, if all goes smoothly, touch down on the Red Planet's surface, ending a seven-month space cruise and kicking off nearly two years of science work — and of course, you can follow all the drama with NASA webcasts.
NASA Administrator Jim Bridenstine said Nov. 15 that the reelection defeat of a key appropriator, and the potential for budget cuts next year, is a cause for concern for him as he tries to balance the agency's priorities.
Monday evening (Nov. 19), National Geographic will air a 1-hour special about Parker Solar Probe, the record-breaking mission currently slinging around the sun.
A new study raises questions about the water cycle of the deep Earth.
The final frontier is fraught with danger. Brave Starfleet crews must defend against all manner of evil masterminds. Here are the top 10 "Star Trek" villains.
NASA on Monday (Nov. 19) unveiled the selection of Jezero Crater on Mars as the landing site for Mars 2020, its next big Red Planet rover. Here's what that means.
A spiral galaxy has a distinct winding shape. Most of the galaxies observed by astronomers are spiral galaxies.
Two former competitors in the Google Lunar X Prize are continuing to pursue commercial lunar landers that could launch as soon as late 2019.
Is that the USS Enterprise blurring as it makes the jump to warp speed? Well, no. But a new photo of the galaxy cluster Abell 1033 certainly does call the famous "Star Trek" starship to mind.
Step outside this week between 6 and 8 p.m. local time and look overhead and toward the south to see one of the landmarks of the mid-autumn sky: the Great Square of Pegasus, the flying horse.
NASA is prepared to announce which of four final contenders it has selected as the landing site for its Mars 2020 rover, which is due to touch down on the Red Planet in 2021.
Why did the European Space Agency create a whole bunch of fake moon dust and use it to 3D print small screws, gears and even a fake coin?
A harpoon that grabs orbital debris sounds cool, but putting up more hardware in space to clean up debris is probably not a sustainable proposition, said the director of the Defense Advanced Research Projects Agency’s Tactical Technology Office.
An uncrewed Russian cargo ship linked up with the International Space Station Sunday (Nov. 18) to deliver nearly 3 tons of supplies for the orbiting lab.
SpaceX has delayed the planned Nov. 19 launch of a used Falcon 9 rocket topped with at least 64 small satellites, to conduct more preflight inspections. The liftoff will mark the first-ever third mission for a Falcon 9 first stage.
Scientists think there's a 'dark matter hurricane' coming, but it's definitely not going to kill you. It's actually kind of exciting.
Like any dutiful creation, NASA's Mars InSight lander has promised to phone home upon safely reaching its destination on Nov. 26.