The man who led a NASA facility that shouldered much of the blame for the 1986 space shuttle Challenger explosion has died. William Ray Lucas was 102.

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in particular is something quite new.

It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have ...

A stunning Valentine's view of a nebula contains hidden depths of starbirth and the violent deaths of massive stars.

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

Scientists recently doubled the chances that Asteroid 2024 YR4 will hit Earth in 2032. While earlier estimates said the ...

"We were very surprised to see that the same tiny plasma jets appear to be driving both the fast and the slow solar wind." ...

A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...

NASA's Nancy Grace Roman Space Telescope team has successfully integrated the mission's deployable aperture cover—a ...

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

NASA and the European Space Agency have issued updates on what is considered to be the most dangerous asteroid astronomers ...