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

A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of ...

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

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

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

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

Scientists reveal glaciers may have scraped away miles of Earth's crust during 'Snowball Earth,' erasing a billion years of ...

A stunning photo of a "parade of planets", shows Mars, Jupiter, Uranus, Saturn, Venus, Neptune, and Mercury in alignment from ...

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

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

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.