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

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.

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.

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 ...

Two life forms living together helped spark the evolution of all complex life. By learning to appreciate this process more ...

Scientists have spent decades scouring the Martian surface for any signs of life. Now, a photo snapped by NASA 's Curiosity rover has sparked speculation that the hunt might be over.

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