Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

Space book authors Emily Carney and Bruce McCandless III offer a primer for the new Space Age with a look at how it all ...

Astronomer Calvin Leung was excited last summer to crunch data from a newly commissioned radio telescope to precisely ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need ...

Firefly Aerospace's Blue Ghost lander, a private spacecraft hired by NASA to take experiments to the moon, is flying laps ...

A new study by NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton highlights the challenges planets ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Kepler was one of the most successful exoplanet-hunting missions so far. It discovered 2,600 confirmed exoplanets – almost ...

CAPE CANAVERAL, Fla. – A private U.S. spacecraft bound for the moon has captured stunning images of Earth one week into its ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...