From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...
From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...
The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...
CAPE CANAVERAL, Fla. (AP) — Saturn’s giant moon Titan may not have a vast underground ocean after all. Titan instead may hold ...
Beneath Triton's frozen crust of nitrogen ice, scientists believe a vast subsurface ocean could be hiding and with it, the potential for alien life. This video explores the cutting-edge science behind ...
Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and ...
Scientists have uncovered a hidden world 3.6 kilometres beneath the Greenland Sea, where methane mounds and life thrive in complete darkness. The discovery could transform climate science and ...
When NASA scientists opened the sample return canister from the OSIRIS-REx asteroid sample mission in late 2023, they found something ...
Will we discover alien life by 2075? A top scientist predicts we will. Learn about the search for life beyond Earth, from ...