Colorado residents are more likely than those in most states to report a close encounter. See what the numbers say on ...

Rock-a-bye, baby. With scientists warning that Earth could be susceptible to thousands of undetected asteroids, Jeff Bezos’ ...

The science-fiction film Project Hail Mary sees Ryan Gosling go to space in a state of suspended animation. But does the ...

Two archaeologists explore the enduring myth that extraterrestrials contributed to the various ancient cultures around the ...