ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Looking for a sky event this week? Check out our full Sky This Week column. November 3: Venus and Spica, side by side Tonight ...

The moon, just hours past its last quarter phase, will rise above the east-northeastern horizon shortly before midnight local time. Shining about 6 degrees to its right will be Jupiter, the largest ...

The Earth's Moon is its only one, but scientists recently discovered a new celestial body that will be staying near the planet for the next several decades.

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

Nov. 5 — Full moon, the “beaver moon” and the “hunter's moon,” another super moon At this position in the moon’s orbit around ...

It's largely agreed that the moon was created around 4.5 billion years ago when a protoplanet collided with early molten ...

Astronomers may be just weeks away from an unprecedented opportunity to learn more about our solar system’s interstellar ...

After nearly 10 years, Nasa’s Jupiter explorer Juno is likely no longer operating, with its latest mission extension ending during the ongoing U.S. government shutdown. The Juno spacecraft launched ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...