When astronomers announced last month they might have discovered the most promising hints of alien life yet on a distant ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

NASA's Perseverance rover has revealed new clues about Mars' volcanic past. While most people searching for signs of alien life these days might have their eyes on the exoplanet K2-18b, one team of ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

New data suggests that similar layers across Mars could have trapped up to 36 millibars of carbon dioxide, potentially reshaping the planet’s ... hinting at life-friendly environments.

A new study has ... Researchers discovered that carbon-rich minerals found in Gale Crater indicate extreme evaporation and suggest the planet's climate could support only transient liquid wa ...

It’s 9 a.m. on Monday morning, and I’m on the sixth floor of Sterling Hall at UW–Madison. Here, in the newly formed Wisconsin ...

Recently, a group of scientists claimed they found possible signs of life on a planet called K2-18b ... In fact, they have some real issues with how this whole thing went down, and a new analysis ...