Scientists have gotten a close look at an extreme case of seasons, thanks to a retired NASA telescope.
Astronomers spotted a new gas giant with the shortest known orbit. The world takes just 16 hours to circle its star — but someday, the dance may come to an abrupt end.
Someday, tucked away gathering dust in a nondescript warehouse, there will perhaps be a spacecraft waiting to be called to the launch pad, even as its builders pray it never flies.
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.