NASA's James Webb telescope reveals the universe as we've never seen it before
NASA's $10 billion new telescope showed the world something remarkable today: an image of some of the first galaxies to form in the universe.
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There's a chance of a meteor shower Monday night
Those in North America have the best shot at seeing the shower at about 1 a.m. on the East Coast or 10 p.m. on the West Coast.
Russia's war in Ukraine is threatening an outpost of cooperation in space
For decades, U.S. astronauts and Russian cosmonauts have lived side-by-side aboard the International Space Station. Now some are wondering whether that partnership can withstand the war in Ukraine.
SpaceX brings 4 astronauts home with midnight splashdown
The return of three Americans and one German marks the busiest period yet for Elon Musk's space taxi service.
NASA is bringing rocks back from Mars, but what if those samples contain alien life?
NASA and the European Space Agency are gearing up to bring home a pristine sample of Martian rock. But given the small chance of life on the red planet, they have to grapple with safety questions.
NASA advisers call for a visit to Uranus, plus more science during moon landings
NASA should send probes to the ice giant planet of Uranus and to a moon of Saturn where conditions could be right for life. Those are some of the recommendations in a new report to the space agency.
The Hubble telescope confirms the largest comet nucleus ever seen by astronomers
The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets.
A U.S. and 2 Russian astronauts return to Earth together following a trip to space
A NASA astronaut and the Russian cosmonauts parachute-landed in Kazakhstan on Wednesday after a trip back to Earth from the International Space Station, in a rare instance of U.S.-Russia cooperation.
The light from this star that astronomers just spotted is 12.9 billion years old
Scientists using the Hubble Space Telescope have spotted light from what appears to be the most distant star ever seen. It offers a glimpse into an early moment in the history of the universe.
There are more than 5,000 confirmed planets beyond our solar system, NASA says
These so-called exoplanets include rocky worlds similar in size to Earth, gas giants larger than Jupiter and even"'mini-Neptunes."