At nearly twice Earth's size with a denser atmosphere, this fictional world hosts creatures that dwarf anything alive today, ...

The Tick Netflix debut arrives July 15, 2026, putting all 22 episodes of Ben Edlund’s canceled Amazon superhero satire in ...

Steven Spielberg's claims that aliens have already visited Earth have drawn a mixed but pointed scientists' reaction this week, with astrophysicists in the UK and Australia stressing that while ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist ...

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...

From Nevada’s Area 51 mythology to McMinnville, Oregon’s UFO Fest, alien lore continues to turn curiosity, conspiracy, and ...

Efforts to manage invasive alien plant species in forests could be held back by a continued reliance on chemical methods, ...