The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

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 ...

Nearly a century after Pluto’s discovery, astronomers are still searching for mysterious planets beyond Neptune - including a ...

Space is still the final frontier, and NASA has announced that the frontier is more vast than we realized. The NASA Kepler mission has discovered 715 planets set up in multiple-planet systems a lot ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...