An asteroid impact millions of years ago may have provided a natural incubator for early life on Earth, scientists say.

Scientists have discovered an 'alien' material inside a massive crater on Earth, sparking new questions about how life may ...

The US has recovered four distinct species of extraterrestrial life from crashed UFOs, a former CIA-funded government ...

The Pentagon's release of files might help scientists shed light on unexplained phenomena and government secrets, experts said.

Researchers discovered that life leaves behind unique statistical patterns in molecules, potentially offering a new way to ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Over the past decade, scientists have come up with a variety of frameworks to guide ...