Jupiter will reach its highest point in the sky around dawn, when, from mid-northern latitudes, it will appear about 20 ...

A NASA mission will send twin spacecraft to Mars to learn what happened to the Red Planet's ancient, thick atmosphere.

The new moon on Aug. 23 at 2:06 a.m. EDT (0606 UTC) is also a black moon, defined as the third new moon in a season that will see four new moons. Three days later, the moon will make a close pass to ...

Heads up, stargazers! The waxing crescent moon will appear on the left shoulder of Mars in the hours following sunset on July 28 — close enough for both to fit easily in the view of a pair of 10x50 ...

Four billion years ago, Mars’ fate was sealed deep within its core. When the planet’s once-vigorous magnetic dynamo sputtered ...

Thirteen years after landing on Mars, NASA’s Curiosity rover is running smarter and more efficiently than ever. With new autonomy and multitasking capabilities, it’s maximizing the output from its ...