Malcolm Ritter

They apparently lived around the time our own species was spreading from Africa to occupy the rest of the world.

Since the mirror test was introduced in 1970, scientists have found that relatively few animals can pass it. Most humans can by age 18 to 24 months, and so can chimps and orangutans.

A private space company founded by Amazon CEO Jeff Bezos announced Tuesday that it had landed a rocket upright and gently enough to be used again, a milestone in commercial aeronautics.

Researchers have deciphered the complete DNA code, or genomes, of two mammoths. The new genomes are far more refined than one announced in 2008.

The way Fido wags his tail might reveal more about him than you know. Just ask another dog.

How does a tabby cat earn its stripes? With the right DNA. Scientists say they've found the gene that sets the common tabby pattern -- stripes or blotches.

A colossal international effort has yielded the first comprehensive look at how our DNA works, an encyclopedia of information that will rewrite the textbooks and offer new insights into the biology of disease.

Using only her thoughts, a Massachusetts woman paralyzed for 15 years directed a robotic arm to pick up a bottle of coffee and bring it to her lips, researchers report in the latest advance in harnessing brain waves to help disabled people.