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Matilda Brindle, an evolutionary biologist at the University of Oxford, explains.

The crew will spend the next eight months conducting experiments to prepare for human exploration beyond Earth's orbit.

As Valentine's Day approaches, we take a look at monogamy and its alternatives among animals — including humans.

Elephants use their trunks much like a human uses their hands: to pick up food and manipulate objects. A new study finds that tiny, specialized whiskers on elephant trunks help them do it.

Our brains aren’t wired to like the uncertainty that comes with change.

The four are set to dock with the space station on Saturday, returning the orbital lab to its full complement of seven. NASA's last mission, Crew-11, left a month early due to an ill crew member.

A massive star in the nearby Andromeda galaxy has simply disappeared. Some astronomers believe that it's collapsed in on itself and formed a black hole.

Veronika is a brown cow. Her ability to employ tools with multiple uses leaves her in the company of only two known species: humans and chimps.

Parkinson's disease appears to disrupt a brain network involved in everything from movement to memory.

The physics of the spiral pass have baffled physicists and football fans for decades.