Hearty bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

Tardigrades are practically invincible on Earth, so scientists looked to outer space in search of their kryptonite.

Around 1.7 billion years ago, eukaryotes—the building blocks of complex life—first appeared on Earth, and now scientists have ...

President Trump says he is ordering the release of all government documents related to aliens and UFOs. He accused former ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

A recent study published in PLOS One has revealed a groundbreaking discovery: the toxic chemicals found in Mars’s dirt could potentially be used to build the infrastructure necessary for sustaining ...