Researchers have found that wounds heal three times more slowly in humans than in other primates and rodents, suggesting we may have evolved slower healing at some point in our ancestry.

Dead stars may have started churning out vast amounts of gold much earlier in the universe than previously thought, a new study hints. Powerful magnetar flares may be the reason.

The lander section of the Kosmos 482 probe was launched in 1972 and designed to survive on Venus. Now it's due a fiery reentry to Earth.

We may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in the water, not on land.

Recent findings indicate that dire wolves and gray wolves are distantly related, having diverged about 5.7 million years ago and, as far as scientists can tell, never interbred since then.