These bacteria eat and breathe electricity

For the first time, scientists made a successful in situ collection of bacteria living in hot springs in Yellowstone National Park and using an unconventional source - electricity - for food and energy.

A new species of killer whale?

In January, scientists captured footage of what might be a new species of killer whale near Antarctica.

Dinosaurs thrived before fatal asteroid impact

Scientists have debated whether the dinosaurs were already in decline before a massive asteroid impact finished them off 66 million years ago. New research shows they were thriving in their final days.

Why are some icebergs green?

A new idea might solve a decades-long scientific mystery about why some Antarctic icebergs are tinged emerald green rather than the normal blue.

Thousands of tiny ice quakes shake Antarctica at night

Stay overnight on an Antarctic ice shelf, and you might feel the shaking from thousands of tiny quakes as the ice re-forms after melting during the day.

Watch right whale and calf interact with dolphins

Watch an endangered right whale mom and her baby interact with a group of curious dolphins. The video was shot via drone by NOAA researchers.

Ospreys’ recovery is global conservation success story

Chemical pollution and hunting pushed ospreys - which are large, hawk-like birds - to the edge of extinction. Now they've rebounded and can be spotted worldwide, often nesting on human-made structures.

First photos in 100 years of black panther in Africa

There have been reports of black panthers in Africa for more than a century, but only 1 confirmed with photographic evidence - in a 1909 photo taken in Ethiopia - until now.

Found: World’s biggest bee

Last seen in 1981 and thought lost to science, Wallace's giant bee has been rediscovered in the forests of Indonesia.

Bees change scent as they age

A new study finds that honey bees develop different scent profiles as they age, and guard bees respond differently to returning foragers than to younger bees who've never ventured out.