The discovery of a few stone tools in Kenya has just pushed back a piece of the archaeological record almost a million years.
Researchers at UC Irvine restored a key feature of young brains, the flexibility that allows for learning and creativity.
The Navy has a new drone for spying that is small, cheap and completely disposable.
The climate pattern known as El Nino is on its way, climate forecasters say. But what is it, and why should we care?
A new study suggests Viagra can fight malaria, which still infects millions and kills half a million people every year.
Beekeepers lost huge numbers of bees last year, and scientists still do not know why.
Potent animal hormones used in livestock farming are sticking around in the environment far longer than had been expected.
Astronaut Samantha Christoferetti gives the Internet a tour of the (toilet) facility the International Space Station.
Snowpack is an important contributor to water supplies, and crucial to winter tourism and skiing industries in the western US.
California is adopting new drought-fighting rules, but many people in the state don't seem interested in cutting back on water use.