Lead author Lukas Böhme and cosmologist Dominik Schwarz at Bielefeld University evaluated the solar system’s motion using ...

An icy visitor from another star system has swept through the inner solar system faster than any object ever tracked on a ...

A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

The discovery of a Martian meteorite may hold the answers scientists have been seeking regarding a 1.8 billion-year-old gap in data, offering new insight into the otherworldly rocks.

Estimating ages of specific events is one of the most difficult problems in astrophysics. While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each ...

Mashable’s Ranked series crowns the best and sorts the rest. The planets of our solar system, stretching from Mercury out to Neptune, are all incredible. In a dense cloud of gas and dust billions of ...