Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these ...

If extraterrestrial civilizations exist with technology similar to ours, could they detect Earth? A team of SETI researchers ...

Their research reveals which Earthly 'technosignatures' would be easiest to detect from a planet across the galaxy.

It's the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn't divine? What if aliens brought life to Earth?

Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient ...

delivering the sample canister to the Utah desert in 2023 before swooping off after another space rock. It remains the biggest cosmic haul from beyond the moon. The two previous asteroid sample ...

With next-generation telescopes, tiny space probes, and more, scientists aim to search for life beyond our solar system ... long search for intelligent aliens. To Seager, a MacArthur “genius ...

The enchanting dunescape stretches over 43 miles (70 km) along the coast and over 30 miles (50 km) inland. Lençois translates ...

Rachel is a dusty, hardscrabble spot, located in the Joshua tree desert just outside Area 51, that highly guarded Air Force ...

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world ... ice caves like the one pictured above, with glacier and ice cave ...