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

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

This pattern is the cosmic web, and it holds the secrets to the fate of the entire universe. The web is caught between two opposing forces, which happen to be the two great cosmological mysteries of ...

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

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

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

SpaceX has three Starlink missions on the schedule, China is flying four rockets, and Rocket Lab returns for a classified ...

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

This famously colorful and easy-to-split double star is now high in the east a few hours after dark. What colors do you see?

Looking for a sky event this week? Check out our full Sky This Week column. June 4: Jupiter passes south of Pollux. Now that ...

See an evening conjunction of two bright worlds, mine deep-sky treasures, and watch the Moon skim past several planets in the ...

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