An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.

Watch NASA astronauts on rare all-woman spacewalk NASA astronauts Anne McClain and Nichole Ayers step out of the ...

On Sunday, May 4, the Eta Aquarid meteor shower is expected to leave glowing streaks in Earth’s atmosphere, according to the ...

The National Science Foundation’s Daniel K. Inouye telescope debuted a close-up of the sun captured by its new, ...

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.