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

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

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

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

NASA’s Perseverance rover has uncovered what may be the strongest evidence yet of ancient life on Mars. Inside a ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

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

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?