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

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.

The ESA's Mars Express and ExoMars Trace Gas Orbiter spacecraft watched as a superstorm that ravaged Earth also struck the Red Planet.

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 ...

Some parades occur when only three or four planets align in our sky, but the coming one on Feb. 28, 2026, is a bit more rare.

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 ...

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 ...

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