A delicate waxing crescent Moon creates an elongated triangle with bright planets Jupiter and Mercury in the evening sky.

Mercury lines up with Venus, Jupiter, and the Moon in the evening as the small planet also reaches greatest eastern ...

A new census found more active galactic nuclei in small galaxies than ever before, plus a sharp uptick in numbers as galaxy ...

NASA named the Artemis 3 crew Tuesday and laid out the details behind the most complex mission the agency has attempted in ...

Asteroid Irene is nearly at at opposition and high in the south late tonight and overnight, near the center of the Milky Way.

Venus and Jupiter are now at their closest in the evening sky, shining near the bright heads of Gemini the Twins.

Earth’s satellite shines together with the Red Planet in the constellation Aries today, visible in the morning sky before ...

MeerKAT observations have revealed a major structure shaping galaxy motion in the local universe, prompting us to rethink our ...

Venus and Jupiter come together in an evening conjunction, standing in line with the bright star Pollux in Gemini.

It’s possible the Earth-facing side got more large impact basins than the farside in the Moon's first few hundred million ...

After six months of silence and a failed recovery effort, NASA has officially ended the MAVEN mission. The fragmented ...

A waning crescent Moon passes close to the ringed planet in the predawn sky, while Cetus the Whale’s stars join in.