Japan is putting its Martian Moons eXploration (MMX) spacecraft through a series of tests ahead of its launch to Mars next ...

New Moon brings excellent dark-sky conditions for observing galaxies, nebulae, and star clusters in the sky this week.

By contrast, Deimos is tiny, with a radius of 6 km, and quite a bit further out, more than 23,000 km from the surface. It is ...

A ghostly Martian moonrise, starlit skies, and a mission chasing life’s traces—Perseverance captures more than just images.

May’s night sky is packed with astronomical events—find out when and where to look for meteor showers, ancient star clusters, and a rare cosmic lineup.

Why it's so special: Something strange happened late at night on January 13, 2025. Sometime between about 9:00 p.m. and 1:00 a.m. EST (depending on where you were in North America), the full "Wolf ...

Mars has two small, potato-shaped moons, called Phobos and Deimos ... who watched the Red Planet through an early telescope in the late 1700s. The first spacecraft to successfully reach Mars ...