The four exoplanets orbit Barnard’s Star so closely that their years last only a few Earth days. They are probably rocky and, ...

Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

Our solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may ...

Astronomers have discovered four small planets orbiting Barnard's Star, the second-closest star system to Earth, using ...

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a Sun-like star, ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

The rate of stars going supernova near Earth appears to match two mass extinctions -- 372 million years ago and 445 million ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

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 ...

Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

As the planet warms, Antarctica's ice sheet is melting and contributing to sea-level rise around the globe. Antarctica holds ...