NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

Auroras are not just on Earth. NASA has detected glowing northern and southern lights on Jupiter, Saturn, Mars and other ...

Every once in a while, the mechanics of our solar system grant Earth and its residents a better-than-average view, as is the ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual path around ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

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, ...

The number of confirmed planets outside of our solar system—known as exoplanets—has risen to 6,000, NASA has said. There is huge variety across these distant worlds, the space agency says, with ...

Lucas Brefka receives funding from a NASA Exoplanet Research Program grant. Christopher Palma does not work for, consult, own shares in or receive funding from any company or organization that would ...