"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

Recent media coverage highlights the wide range of research, education, and scientific perspectives emerging from the SETI ...

Netflix's sci-fi action movie stars Alan Ritchson as a solder fighting a giant killer machine. Here's the ending of 'War Machine' explained, including whether the robot is defeated.

Everyone knows Yuri Gagarin as the first person to go to space. But was he? Literary historian Vladimir Brljak tells the tale of the intrepid balloonists who first flew beyond the blue terrestrial sky ...

California stargazers can see the Milky Way without special equipment. Learn when and where to spot our galaxy's bright center.

On April 8, 2024, people across the world witnessed a solar eclipse, a relatively rare event in which the moon occults (blocks out) light from the sun. To capture this event, volunteers at 143 ...

DENVER—Last month, President Donald Trump took to social media with an announcement that he would direct the Pentagon and other federal agencies to “begin the process” of disclosing government files ...