When you think of outer space, you're likely picturing stars, planets and moons. But much of space is filled with clouds of gas, plasma and stardust—known as interstellar clouds.

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new ...

A viewer asked a question that sounds like pure science fiction: could two moons orbit each other while orbiting two planets ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

“Mars, can you please clean up your Legos?” “Jupiter, finish your peas.” “Don’t pull the cat’s tail, Mercury!” ...

Ganymede is not only Jupiter's largest moon, but also the largest in our solar system and one of the few that hosts a massive ...

Keep looking up throughout the month for some amazing sights in the night sky!

BEIJING -- Using lunar samples collected by the Chang'e 6 mission, Chinese scientists have discovered a significant shift in ...

Titan is the largest of Saturn’s 292 known moons, by far. It’s also the only other cosmic body apart from Earth confirmed to host standing liquid similar to our oceans in our solar system. But don’t ...

While Galileo's observations killed off the old model, we would need to wait centuries for conclusive evidence that Earth ...

A waxing crescent moon will pass just a few degrees from Jupiter tonight, creating one of April’s most striking naked-eye sky pairings.