The Dark Forest Hypothesis offers one of the most unsettling answers to the Fermi Paradox. Maybe alien civilizations are ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

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

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

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 ...

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’ ...

He served as chair of Harvard’s astronomy department for nearly a decade. Loeb’s career took a turn with his “light sail” theory in 2017, which he presented in a paper and later a book. He went on to ...