New human ancestor found in Ethiopia

According to scientists who made the discovery, the find provides conclusive evidence that, millions of years ago, there was more than one human species.

Video: Translating climate change to music

Imagine setting global warming to music. That's what a student at University of Minnesota has done, basing his composition on actual temperature data since 1880.

Hawaii governor says Thirty Meter Telescope has right to continue

$1.5-billion project halted last month, following demonstrations. Gov. David Ige said to continue, but that one-fourth of telescopes on Mauna Kea should be removed.

Heat wave kills 1,100 in India

A deadly heatwave has gripped India since April. The death toll has now risen to more than 1,100. Cooling monsoon rains are not expected for several more days.

Most dramatic music video ever

Recorded live by the doom metal band Hamferð during the March 20, 2015 total eclipse of the sun above the village of Kvívík in the Faroe Islands.

Video: Paddle boarders meet orcas

Imagine you're paddle-boarding, and an orca - killer whale - pops up on the ocean surface near you. Two amazing and beautiful videos, here.

Why your fingertips wrinkle when wet

If you place your fingertips in water for a few minutes, they begin to look wrinked. Why?

Oldest stone tools found in Kenya

The tools, whose makers may or may not have been some sort of human ancestor, date back to 3.3 million years ago.

This date in science: Dramatic space photos of Pavlof Volcano

As Pavlof Volcano poured out lava and ash, ISS astronauts managed to capture these seldom-seen oblique views of the volcano.

Do nano-sunscreens harm sea life?

Nano particles in sunscreens have been found to harm marine worms, crustaceans, algae, fish and mussels. A new study shows their negative effect on sea urchin embryos, too.

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