In 2012, an X-ray revealed a metallic implant in the leg of Terry Lovelace, a former Air Force medic who had long suppressed ...

In January of 1996, in Varginha, Brazil, witnesses reported a cigar-shaped object in distress that crashed into a field.

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

Twists like Darth Vader's reveal in The Empire Strikes Back, or the ending of The Mist, are among the greatest and most ...

How old are you, really? People are flocking to so-called longevity clinics and buying tests online to find out their “biological age”—a metric that some scientists say could reveal how healthy a ...

From the earliest days of human spaceflight, astronauts have described moments when something outside the window did not ...