Extraterrestrial life, or alien life (colloquially, aliens), is life that originates from another world rather than on Earth. No extraterrestrial life has yet been scientifically or conclusively detected.

4 days ago · Here’s where NASA is looking for alien life in our solar system From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life …

Dec 22, 2025 · From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to come thick and fast. But when we've found it, how …

3 days ago · NASA is redefining the search for alien life, using cutting-edge technology and bold new science to uncover the hidden chemistry that could reveal life beyond Earth.

Nov 16, 2025 · Extraterrestrial life refers to life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific …

May 24, 2025 · Discover interesting facts about where alien life forms are likely to exist, and what they look like.

Sep 16, 2025 · Life might turn up in our own neighborhood: beneath the Martian surface, perhaps, or in the dark, subsurface oceans of Jupiter's moon, Europa. Or maybe the dream of the ages …

Sep 11, 2025 · To be more exact, there are multiple hunts for alien life currently underway. On Mars, a rover is collecting samples that may determine if life ever existed on the red planet.

May 13, 2025 · Science no longer treats alien life as merely speculative. With the discovery of thousands of exoplanets, new knowledge of Earth’s extremophiles, and advanced missions to …

Nov 20, 2025 · Extraterrestrial Life coverage from Scientific American, featuring news and articles about advances in the field.