After more than four years of exploring a menagerie of cosmic happenings through gravitational waves, scientists have finally spotted the third expected variety of collision — twice.
Although the next flight of Boeing's Starliner capsule won't carry any astronauts, it will ferry one passenger to and from the International Space Station.
Researchers have detected an earthquake using instruments flying in a balloon above California, and the technology could one day detect quakes on Venus.
It turns out it's tricky to troubleshoot a 1980s computer that's dashing around Earth hundreds of miles over our heads.
NASA's experimental Mars helicopter has now flown eight times on the Red Planet, traveling farther than scientists hoped would be possible.
Young stars can release flares more powerful than our sun's largest on record once a week, according to a massive new analysis of stellar activity.
For a brief moment in time in July 2018, the solar system aligned to show Earth the fully sunlit disk of Pluto, an arrangement that won't occur again for 161 years.
It's always a good sign when astronomers are blunt about the degree to which some observations have puzzled them.
Venus scientists have long complained that their target wasn't getting its due in robotic investigators. Now, a third new mission to Earth's mysterious twin has been announced in just over a week.
Most of the U.S. missed out on the "ring of fire" piece of Thursday's solar eclipse, but parts of the East Coast caught a stunning sunrise partial eclipse to make up for it.
The Amazon.com and Blue Origin founder announced on Instagram that he and his brother would fly on the New Shepard vehicle's first crewed flight, scheduled for July 20.
A team of scientists has gotten their best look yet at a gamma-ray burst, the most dramatic type of explosion in the universe.
Google Doodle marked the second day of Pride Month by celebrating an astronomer, Frank Kameny, who lost his job due to homophobia and spent the rest of his life fighting discrimination.
Deep inside some of NASA's most venerable spacecraft beat similar plutonium-filled hearts to warm and power the robots.
It might look like a postcard from Arizona, but this snapshot shows something much more exotic: the planet Mars, as seen by NASA's Curiosity rover.
Astrophysicists dream of one day truly seeing a black hole merger, rather than merely painting its portrait based on how it affects surrounding matter.
The total lunar eclipse on Wednesday (May 26) won't stick around long, so if you want to capture photographs of the celestial spectacle, you'll want to plan ahead.
Meteor showers are the dazzling result of cometary debris building up along well-worn paths through the solar system, then burning up in Earth's atmosphere as our planet crosses that dust trail.
A strange consequence of Lynn Rothschild's current research is that she ends up snapping photos of the more exotic mushroom offerings she encounters in the grocery store's produce aisle.
Halfway through a series of opportunistic Venus observations, scientists say that a NASA sun spacecraft's success studying our strange neighbor will pave the way for future measurements.
China has released the first photographs taken by its Zhurong rover, which touched down on Mars late on Friday (May 14) as part of the country's Tianwen-1 mission.
A sun-studying spacecraft nabbed its first footage of a solar outburst before its science mission has officially begun.
A Russian film director and actor, plus their backups, have passed preflight medical tests for an October launch to the International Space Station to shoot scenes for a movie dubbed "Challenge."
As the sun's activity waxes and wanes, so does the ionosphere of Venus, a key layer in the upper atmosphere, according to new observations that cinch a decades-old suspicion.