If and when SETI discovers alien life, then a revised Declaration of Principles guarantees that once the discovery has been ...

Jupiter and Venus will be separated by less than two degrees in the sunset sky on June 9! Here's how you can watch the dazzling conjunction from the comfort of your home, courtesy of a livestream from ...

Jupiter, meanwhile, will be progressively harder to spot following its rendezvous with Venus on June 9, appearing ...

When severe solar storms hurtle toward Earth, the planet's first line of defense is its magnetosphere, a vast magnetic bubble ...

Using the James Webb Space Telescope (JWST), astronomers have "weighed" a sleeping giant — a dormant supermassive black hole ...

"Orbital dynamics allows you to start to think about all those fun, different aspects of what makes our planet habitable, and ...

What started off as a sci-fi horror turned into one of the best sci-fi comedies ever when it dropped 25 years ago. Being true ...

"If we can make this mission happen, it won't just be a milestone for human spaceflight; it will send a powerful message ...

The Falcon 9 rocket, carrying 29 Starlink satellites into low Earth orbit, launched on Monday (June 8). The vehicle lifted ...

Explore the world of UFOs from all angles with these books covering the history, sociology and weirder takes on the ...

French astronaut Sophie Adenot captured the view of a lifetime in a new image of Mount Vesuvius, as seen from aboard the ...