A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and Earth. The authors dubbed it Planet Y.

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

The Martian' author Andy Weir leaves the Solar System behind as Ryan Gosling blasts off on a mission to save the world.

Astronomers have discovered new evidence that suggests the possibility of an unknown planet in our solar system's farthest reaches. The study, published in the Monthly Notices of the Royal ...

Have you played around with the new iOS 26 yet? Here's how to download it on your iPhone if you haven't yet — once you do, you'll notice several new changes, including a clear design called Liquid ...

There are 12 Sunday games during the Week 5 NFL schedule, and the latest DraftKings promo code gives new users $200 in bonus bets instantly and over $200 off NFL Sunday Ticket for a limited time. The ...