Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

A 2014 astronaut photo shows a pair of volcanic lakes appearing to stare up into space from the Chiltepe Peninsula of ...

Early Earth lacked life’s essentials until a collision with Theia added them. This chance event made life possible. After the ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and ...

A study conducted on a near-Earth asteroid could call into question details we thought we knew about how our planet's oceans came to be, researchers have said. The team of experts, based in Japan, ...

Recently, in a “wild” new spin on the theory, known as directed panspermia, it’s been suggested that “aliens sent microbes or ...

TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

Sooner or later, a sizable asteroid could impact a populated area on Earth. How is the US, and the world, preparing?

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

The University at Albany is starting new majors related to climate change, but students won't just study science. Economics, ...