Without enough liquid water on the surface, a planet's atmosphere can become choked with carbon dioxide, raising temperatures ...

Volcanic planets with static crusts, called Ignan Earths, can maintain liquid oceans and temperate climates favorable to life.

On Earth, water is so intertwined with life that our search for life on other worlds is essentially a search for water. When ...

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

We inhabit a small planet that rotates around one of 100 billion suns in the Milky Way galaxy. And the Milky Way is only one ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

Micrometeorites are thought to shower down on planets throughout the universe, so the discovery that they help protocells ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Because phosphine gas can be produced by microbes, there was speculation that life might exist in Venus’s clouds. However, the detection of phosphine was later disputed by other scientists.

There's growing evidence of possible life on other planets. Here's why you should still be skeptical by Manoj Joshi, Andrew Rushby and Maria Di Paolo, The Conversation ...

“Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain cautious,” states a Cambridge University press release.

Is there really alien life on this exoplanet? We asked 10 experts. A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b.