A new high-resolution map of distant galaxies may help scientists understand the mysterious dark matter holding the universe ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

Deep-sky objects shine and the giant planets show off their satellites as the bright light from the Moon disappears from our ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no danger to the planet.