If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds ...

Six planets will align on Feb. 28, but not all will be seen with the naked eye. Here's how to watch the cosmic parade.

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, ...

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

The last total lunar eclipse until the end of 2028 started us off in March, and afterwards, we can spend the rest of the month planet-hunting, including a challenging cluster to spot in the predawn ...

Grab your telescope and join us on a sightseeing tour, before the moon returns to spoil the fun!

A rare six-planet alignment will be visible shortly after sunset this weekend, but there are plenty of other stargazing ...

A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed into each other. This hypothesis could also help to solve several other ...

Moons may seem like quiet companions to the planets, but many of them are worlds every bit as fascinating as the planets themselves. Some are covered in oceans, some erupt with lava, and others hide ...