The makers of the blockbusting sci-fi thriller reveal how they made a hit, why Kevin Spacey was almost involved and what went wrong with the sequel ...

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come with terrifying consequences. This video explores NASA’s Voyager missions, ...

Militaries routinely send satellites to fly by rival vehicles and suss out their capabilities, but scaling up this kind of ...

The Trump administration selected a controversial Harvard astronomer to lead their new scientific advisory council to study ...

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

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 ...

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

From Artemis II to commercial satellites, laser communications are laying the foundation for a high-speed internet in space.

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