"NASA is uncertain as to when … human-rating certification for the Starliner will be obtained." When you purchase through ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Movies like Arrival and Eternal Sunshine of the Spotless Mind feature the best and most powerful endings in the history of ...

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

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

After conquering King’s Landing and staring down online negativity, Alcock is gearing up to battle superhero fatigue at the ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...