Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other ...

NASA uses a seven-step “confidence of life detection” scale to verify alien discoveries, requiring multiple layers of ...

Is 3I/Atlas an alien spacecraft or just a really interesting rock hurling through the cosmos? That debate has been raging ...

Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

Radio astronomy opened up the universe for scientists. They could map new elements across galaxies and also search for ...

The persistent human fascination with extraterrestrial life and the fundamental question of whether we are alone in the universe has driven countless investigations, theories, and debates throughout ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 ...

The search for extraterrestrial life represents one of humanity’s most profound scientific quests—one that could fundamentally reshape our understanding of our place in the universe. Yet current ...

A fresh look at data collected by NASA's Cassini probe nearly two decades ago has revealed new, complex organic molecules on Saturn's icy moon Enceladus – pointing to tantalizing chemistry taking ...

The evidence that an ocean-covered moon orbiting around Saturn could support life just got a little stronger. Enceladus, a small moon harboring a vast ocean beneath its icy surface, has long been ...