On tall ice structures high in the Chilean Andes, researchers found algae growing on snow. They don’t entirely understand how the algae are able to bloom.

This year’s Gulf of Mexico dead zone of oxygen-depleted waters is the 8th largest ever recorded.

Most people don’t associate the US Pacific Northwest with earthquakes, but maybe they should. It’s home to the 600-mile (1,000-km) Cascadia megathrust fault, stretching from northern California to Canada’s Vancouver Island.

Duck-billed dinosaurs – hadrosaurids – were common 80 million years ago. Now scientists have discovered a complete skull of a previously unknown species of hadrosaurid, which sported unusual skull and face features.

Are the gentle blinks of fireflies flashing a favorite part of your summer evenings? An entomologist explains some lightning bug basics.

Birds spend a lot of time and energy singing, but they don’t do it the same way in every season of the year. And some can’t sing at all. What’s the purpose of birdsong?

Fogbows are rainbows’ cousins – made by much the same process – but with the small water droplets inside a fog instead of larger raindrops.

Last month was the planet’s hottest June in NOAA’s climate record, which dates back to 1880. Also last month, Antarctic sea ice coverage shrank to new record low.

They outlived mammoths and saber-toothed tigers. But new research suggests that without dramatic action to reduce climate change, Joshua trees won’t survive much past this century.

While coral populations are declining in tropical waters, scientists have just detected an increase in subtropical areas, which could be good news for corals.

Here are 4 different scenarios of what planet Earth might look like when the next supercontinent forms.

The ice age hyenas may have hunted caribou and horses, or scavenged carcasses of mammoths on a cold treeless tundra, says a study of 2 fossil teeth.

Wet conditions from July 2018 through June 2019 resulted in a new 12-month precipitation record in the US

How do solar and lunar eclipses influence animal behavior? While the human world gathers to see tonight’s lunar eclipse, what’s the rest of nature doing?

The 2 strong earthquakes of July 14, 2019 – the first a 6.6-magnitude off the western coast of Australia and the second a 7.3-magnitude in Indonesia – happened on or near the Pacific Ring of Fire.