When you buy through links on our articles, Future and its syndication partners may earn a commission. Planet parade with four planets visible to the naked eye on the evening sky, Mars on left, ...

"We reference the planets as symbols to better understand our lives," PEOPLE's resident astrologer Kyle Thomas says Skyler Caruso is a Writer and Reporter of PEOPLE Digital Entertainment. She joined ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Researcher Don Hood from LSU and colleagues from collaborating universities studied an unusual region on Mars — an area with high elevation called Thaumasia Planum. They analyzed the geography and ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Because the solar system's contents formed from a disk around the sun, we would expect the orbits of everything orbiting the sun to keep relatively close to the plane of that disk. However, some don’t ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Adriana Errico, PhD. candidate (Astrophysics) ...

As the search for "Planet Nine" in the outer solar system continues, new research suggests there may be an Earth twin buried deep within the frozen waste of the Kuiper Belt beyond Neptune. Astronomers ...

Having a celebrity drop in to help commemorate an event isn’t unusual. But what if that event was the Tunguska explosion that flattened 849 square miles of Siberia in 1908? And the “celebrity” is a ...

The recent and much-ballyhooed "planetary parade" was an interesting celestial event that likely spurred even infrequent skywatchers to seek out the seven planets stretched out across the sky. Some of ...