Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

China’s Tianwen-2 mission has launched to explore an asteroid that may be a piece of the moon, as well as an active asteroid ...

Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into ...

If you feel like you've seen more of the northern lights painting the night sky lately, you'd be right—and there's an ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... .</ ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

Snapchat Friend Solar System is a premium feature that lets you visualize your closest friends as planets that revolve around ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

The solar system's smallest planet is quickly approaching superior conjunction, so catch it in the morning sky while you can.

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...