Earth gazed into the cosmos, wondering if she would ever get a new planetary neighbor. To her astonishment, one day... it happened. This video explores the breathtaking and chaotic consequences of a ...

Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

Astronomers may have demoted Pluto from full-fledged planet to dwarf status, but evidence suggests the solar system may still ...

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may have ...

The greatest challenge facing astrobiologists is that there is only one planet known to us that has life. Of all the bodies ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

A new study reveals Earth's essential features formed within its first 100 million years, challenging long-held theories.

An Earth-sized planet named TRAPPIST-1e, located just 40 light-years away, could be a viable home for alien life, scientists ...

Scientists in China and the United States have found the first direct evidence of a solid inner core inside Mars – a ...

University of Bristol astrophysicists are helping shed new light on an Earth-sized exoplanet 40 light years away where liquid ...

Scientists have proposed an alternate theory about the origin of the interstellar visitor racing towards the inner solar ...

Astronomers around the globe are closely tracking a rare interstellar visitor: object 3I/ATLAS. First spotted in early July ...