Human ancestor Lucy a tree climber

Lucy lived 3.18 million years ago in what's now Ethiopia. An analysis of high-resolution CT scans of her fossilized skeleton shows she was equipped for climbing trees.

The circadian rhythm of our microbes

Like most life on Earth, our gut microbes have their own circadian rhythm. Disrupting that daily routine can be bad - and keeping it in balance can be good - for whole body.

Hurricane risk to US northeast coast

Due to shifting weather patterns, the northeastern coast of the United Sates could see more frequent and more powerful hurricanes in the future, says new research.

2016-17 winter outlook for US

NOAA's outlook for this winter predicts a warmer, drier South, and cooler, wetter North. Drought is expected to persist in California and expand in the Southeast.

Children depict scientists as men

In a recent study, when researchers asked children to draw a scientist, the children most often depicted a bald, middle-aged man in a white coat. More study results here.

IAU approves 227 star names

The International Astronomical Union - which has given itself responsibility to name and define things in space - has now joined the rest of us in recognizing traditional star names.

GoPros go to edge of space

Photog Adventures sent its GoPros to space, captured some stunning views, and then lost the cameras for 15 days. Follow the adventure in this video.

Climate change affecting all life on Earth

A new analysis of hundreds of studies says that almost every aspect of life on Earth has been affected by climate change ... and that's not good news for humans.

What happens if the sun disappears?

Some things that would happen here on Earth if our giant source of heat and light were to vanish from the sky, and how long it would take.

An underwater Stone Age settlement

Researchers have now mapped a preserved underwater site off the coast of Sweden. They think it was a lagoon where Mesolithic humans lived during parts of the year.