Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth. Using data from the James Webb Space Telescope, researchers reported ...

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

"Disclosure Day" director Steven Spielberg opens up to USA TODAY about aliens, AI and why he'll never quit making movies.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...