When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting ...

Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created ...

Skygazers across Texas and beyond can catch a glimpse of six planets arcing across the night sky this week in a so-called planetary parade.

Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago. But ...

In our solar system, Jupiter is the undisputed king. If you added more mass to Jupiter, it wouldn’t actually get much bigger ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known as a ...

Astronomers have discovered thousands of planets beyond our solar system, but finding them is incredibly difficult. Unlike ...

The Sun is an incandescent but benevolent dictator. For billions of years, it’s kept our star system well organized through the influence of its powerful gravity. All the planets revolve around it on ...

Strong winds and steady rain toppled trees and knocked out power. by The Associated Press and KOMO News Staff SEATTLE — While the winter and early parts of spring are not ideal times to see the sky in ...

A large planetary alignment will be visible after sunset. Learn which planets you can see and when the next alignments happen.