NASA’s IMAP mission will explore the heliosphere and study how it shields Earth from cosmic radiation and space weather.

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

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 ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

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 ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...