People born with variations of sex characteristics have bodies that are a little different to social and medical expectations ...

At first glance, bat sea stars, the nubbly, orange, many-footed creatures often found on the seafloor, seem about as far from humans as one can get. Appearances can be deceiving, however. Scientists ...

Male turtles keep their penis tucked inside the body until mating, at which point it extends dramatically. In some species, ...

What’s a bilateral gynandromorph? A bird, crustacean—or butterfly—that’s a 50-50 split of male and female traits.

Discover What’s Streaming On: Resident Alien has spent the past few years quietly building one of television’s most devoted fan bases, thanks in no small part to Alan Tudyk‘s delightfully oddball ...

When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO conspiracy theorists wondered whether they might finally get answers they’d long awaited. But coming on the ...

FIRST ON FOX: The White House has a new message on aliens: They are not coming from outer space — they are already here and ICE is tracking them. The Trump administration launched Aliens.gov on ...

New claims that the United States has recovered remains of four separate species of alien life are sending shockwaves throughout the UFO disclosure movement, further drumming up conversations ...

When Neil deGrasse Tyson was 9 years old, he visited the Hayden Planetarium for the first time. Growing up gazing into light pollution in the Bronx, he had no idea there were that many stars. “I was ...