Scientists are cautiously optimistic after the James Webb Space Telescope found evidence of a life-related molecule in the atmosphere of exoplanet K2-18b. This video explains the findings and what ...

Scientists propose a universal test that could detect alien life without assuming it resembles any biology found here on ...

Earth’s neighbor still has secrets that science is trying to figure out, and one of them is potential signs of life.

A resurfaced NASA Curiosity rover photo has sparked fierce debate after viewers spotted a 'Jellyfish-Shaped UFO' standing on the Martian surface before vanishing seconds later.

Humans have been searching for alien life for a long time, yet have never found any signs. Newly appointed Chair of the UAP Science Council for the White House, Avi Loeb sheds light on how to search ...

Throughout July 2026, SETI Institute scientists, leaders, and collaborators contributed to conversations spanning the origins of life, the search for extraterrestrial intelligence, Mars exploration, ...

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace ...