"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...
A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...
A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...
Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...
The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...
By Joey Roulette and Steve Gorman WASHINGTON, July 3 (Reuters) - NASA and Arizona-based startup Katalyst launched a robotic ...
Without a rescue mission, NASA’s Swift Observatory, which studies some of the most powerful explosions in the universe, will ...
A private rocket mission aims to boost NASA’s Swift telescope before its orbit decays, extending its hunt for gamma-ray ...
A U.S. Space Force mission pitting two satellites against each other has completed the organization's first tactical ...