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

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.

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

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

Rather than leave people with a mystery, NASA speculated that the giant hole appears to lead to a mysterious 'lower level' that may support life ... could successfully land on the Red Planet.

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 ...

Remember those claims that signs of life may have been detected on an exoplanet? Scientists have been skeptical about the ...

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 ...

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 ...

A new look through decades-old data has unveiled some of the most compelling evidence yet of a hidden ninth planet in the far ...

Researchers say they discovered evidence that early Earth was home to more hydrogen than previously thought, calling into ...

25, 2025 — Astronomers have discovered ... A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet ...