When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

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, ...

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 ...

Learn about a new working paper that argues that consciousness may not be limited to Earth-like biology, raising the ...

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

Books like Children of Time and Flowers for Algernon do an incredible job holding the audience's interest throughout their ...

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