Learn about the theories behind the unusual dimming of Tabby's Star, from alien megastructures to an orbiting companion ...

WASHINGTON (AP) — 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 ...

A bizarre jellyfish-like object captured by NASA’s Curiosity rover in 2023 has some people convinced that the tiny shape could be something far more mysterious. The strange figure appears on a distant ...

There was a time in the not-too-distant past when you’d only encounter images of the president hanging with aliens at the checkout counter, tucked between Harlequin romance novels and issues of TV ...

WASHINGTON (AP) — 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 ...