A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

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

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...

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 ...

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

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

A private rocket mission aims to boost NASA’s Swift telescope before its orbit decays, extending its hunt for gamma-ray ...

Three companies will receive a total of $600 million to executive four moon landings, laying the groundwork for a planned ...

NASA is set to launch a daring robotic rescue mission, a long-shot bid to prevent one of its aging telescopes from vanishing ...

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