Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.

The idea that octopuses might be aliens emerged from the theory of panspermia (Stelele 2018), according to which life on Earth is not entirely of terrestrial ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

FIRST ON FOX: Abraham Alvarez, identified in federal documents as the alleged "ringleader" of a plot to carry out a mass casualty event at the UFC White House event on June 14, is an illegal immigrant ...