Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

A handful of planets in the solar system are expected to line up in the night sky for a few days in January 2025. Here's when ...

Currently shining at its greatest brilliance for this current apparition, this dazzling evening "star" currently appears as a ...

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

The Blue Ghost lunar mission has captured a gorgeous image of Earth as it ramps up its journey toward the moon.

"This agreement represents a significant milestone for Planet; it is our largest contract to date and is a major step forward ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.