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?

There may be something about Earth’s remote places that root many of humanity’s greatest achievements in space. John Glenn (the first American to orbit the Earth) and Neil Armstrong (the first man ...

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

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

In February 1995, a small research organization known as the SETI Institute launched what was then the most comprehensive ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

NASA scientists found amino acids, key minerals, and nucleobases for DNA in samples from the OSIRIS-REx asteroid mission.

Earlier this week we got a new teaser for Alien: Earth, an upcoming FX series set in the expansive sci-fi universe. It shows ...

Well, we could be closer to discovering whether there really is alien life out there after researchers discovered a new ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Material retrieved from the asteroid Bennu by NASA’s OSIRIS-REx spacecraft shows that all the basic building blocks of life ...

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