Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

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

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

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

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

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

The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious ...

The question of whether Earth is alone in harboring life has captivated humanity for millennia. In recent years, scientists have turned to Earth-like planets in other solar systems that may show ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

While there's currently no definitive evidence of life on the Red Planet, scientists continue to explore the possibility.

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

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