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

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

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

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

(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 ...