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 ...

Planetary parade’ visible in UK tonight as part of rare event that won’t repeat for 400 years - Celestial spectacle will not ...

Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many ...

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

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 ...

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.

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.

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