Scientists have identified a rare solar system object with traits of both an asteroid and a comet.
NASA must again stop work on its human moon lander partnership with SpaceX due to a Blue Origin lawsuit, further risking the agency's tight timeline to return astronauts to the moon.
Chinese astronomers hope to establish a major observatory program on the roof of the world, the Tibetan Plateau, with new research arguing for pristine observing conditions nestled in the uplands.
Astronomers think they have established a new way to calculate the size of supermassive black holes: by studying the feeding patterns of these invisible giants.
If the possibility of an asteroid called Bennu slamming into Earth a lifetime from now was keeping you up at night, NASA scientists think you can rest a little easier.
NASA's sun-grazing spacecraft is making its ninth daring dive past our neighborhood star in a continuing quest to puzzle out secrets of how the sun works.
On Monday (July 26), astronauts said goodbye to a cornerstone of the International Space Station and captured stunning images of the compartment burning up in Earth's atmosphere.
When Amazon founder Jeff Bezos offered her a seat on the first crewed flight of his space tourism enterprise Blue Origin, it was an invitation aviator Wally Funk had waited six decades to receive.
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.
NASA's experimental Mars helicopter has now flown eight times on the Red Planet, traveling farther than scientists hoped would be possible.
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.
NASA's Curiosity rover just spotted a strange type of wispy cloud over its Gale Crater home on Mars.
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.
Scientists have uncovered more details about perhaps the most famous repeating fast radio burst, a mysterious phenomenon astronomers cannot yet explain.
Russia is revisiting its Soviet space heritage for a new series of missions that will take the nation back to the moon.
NASA has delayed the first flight of its Mars helicopter Ingenuity after the vehicle's last test ended earlier than planned.
It took a little help from the full moon to free the massive Ever Given cargo ship from its perch stranded across the Suez Canal.