Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

If you're looking for sci-fi content on Netflix, the streamer has you covered with several compelling TV series. Here's how ...

Humans have long imagined life on Mars, but what if the red planet actually delivered life to Earth in the first place?

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 million years.