So how did our planet end up with such a special moon? The answer is that, surprisingly enough, the moon is a piece of our ...

What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed ...

But stargazers in the UK and the US will be able to see a giant X on the moon this week ... To find the Lunar X on March 6, start looking at the moon from around 23:00 GMT (18:00 EST).

Planets don't get much more iconic than Saturn. But if you managed to see it through a backyard telescope right now, you wouldn't see its rings.

Holding the ball with no tilt, walk in a circle around the candle ... according to the giant-impact theory, smashed into Earth about 4.5 billion years ago. It caused ejected debris to form our moon — ...

Our current view of Saturn means we're looking at the gas giant's famous ... at least one ring came from. The diffuse outer E-ring comprises icy particles from the Saturnian moon Enceladus ...

In 2023, Jupiter reclaimed the lead with 12 new moons. However, later that year, astronomers spotted an impressive 68 new ...

The arcs near the center are the orbits of Titan and Iapetus, two of Saturn's large outer moons. For scale, the white circle under the scale bar is the orbit of the moon around the Earth.

The spacecraft touched down at 3:34 a.m. Eastern, a little more than an hour after it started maneuvers to descend from a low orbit around ... step on the Moon represents a giant leap in ...

Arête Glacier Initiative has raised $5 million to improve forecasts of sea-level rise and explore the possibility of ...