space travel — which now includes orbital flights with private civilians — presents an extraordinary challenge to the human body. While floating in microgravity may seem effortless, the absence of ...

More people have colon cancer spread to their bones than in years past. This may be because colon cancer treatments have improved, which allows people to live longer, giving the cancer more time ...

Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for this important moment in human evolution by more than a million years, a study said. Ancient humans ...

COMING UP. >> WELL, ROGERS, POLICE SAY THREE KIDS FOUND A MAN OR A HUMAN SKULL AND BONES IN THE WOODS ON WEDNESDAY. ACCORDING TO POLICE, THE REMAINS WERE FOUND BETWEEN SEVENTH STREET AND THE ...

habilis, although no human remains were found in association. Tools made on long bone diaphysis of very large mammals,.some 1.5 million years ago. [Photo by Ignacio de la Torre et al / CC BY-NC-ND ...

What's more, according to their analysis of modern human DNA, one of these isolated populations left a stronger legacy in our genes than the other. "The question of where we come from is one that has ...

We may earn commission if you buy from a link. Why Trust Us? While most estimates place the current human population at around 8.2 billion, a new study suggests we might be vastly ...

Spending months in microgravity is brutal on the body. Without the Earth’s gravitational pull, muscles shrink, bones weaken and bodily fluids shift. Astronauts lose muscle mass rapidly because ...

The pair were both born with osteogenesis imperfecta type 3 — often called brittle bone disease ... from celebrity news to compelling human interest stories. From a mental health standpoint ...

Clicking two parts together with a twist of its servo-controlled wrists, and handing it to a human colleague is a basic task. But it's also an important moment in the much-hyped world of human ...