Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it ...

From incredible discoveries about the natural world to archaeological finds and new learnings about our solar system, here ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST ...

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...

Buried deep in Greenland's ice sheet lies a puzzling chemical signature that has sparked intense scientific debate. A sharp ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the planet.

NASA astronaut Ron Garan came to a stark realisation about humanity and the state of the planet during his time on the ...

The concept of the Kessler syndrome is that the area around Earth gets too crowded to a point where we reach a saturation point where collisions begin and cannot be stopped. "Spent rockets, satellites ...

September will have a trio celestial conjunction. Here's how to see the moon and Venus together in Arizona and upcoming alignments.

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...