"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

Astronomers have discovered what they believed to be a rare stable trio of gravitationally bound Kuiper Belt objects, ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard’s Star, the second-nearest star system to Earth.

A chemical found in the atmosphere around an exoplanet that leads researchers to believe the planet may harbor life is called ...