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Earliest flying mammals discovered

Two 160 million-year-old fossils discovered in China are the oldest known mammal gliders. “These Jurassic mammals are truly ‘the first in glide.’”

Floods: Not just a coastal issue

As Hurricane Harvey shows, flooding can happen wherever large storms stall and dump lots of rain. A new study finds development is increasing in flood zones far from any coast.

Hidden river once flowed under Antarctica

“Ice, by itself, is only capable of flowing at velocities of no more than tens of meters per year. That means the ice is being helped along. It’s sliding on water or mud or both.”

July 2017 tied with 2016 for hottest July

It was another hot July. Last month was tied with July 2016 as the warmest July in the 137 years of modern record-keeping.

Today in science: Earth from the moon

This is the first photo of Earth from the moon, released in 1966. Later, NASA used modern digital technology to restore the photo to reveal more detail.

Largest-ever Gulf of Mexico dead zone

For 32 years, scientists have tracked the oxygen-depleted waters that appear each summer in the Gulf of Mexico. This year’s dead zone is the biggest yet.

It’s smoky in the Pacific Northwest

The smoke is from wildfires, an increasingly common occurrence at this time of year. It can’t be welcome news to those who’ve planned trips to that area for the August 21 total solar eclipse.

Intense Antarctic melt season causes decade-long effects

Multi-decade study reveals changes in Antarctica’s Dry Valleys and suggests “significant transformations of Antarctic ecosystems are underway now and will continue to be affected by future climate events.”

Earth’s eclipses are special

Solar eclipses aren’t exclusive to Earth, but eclipses viewed from our planet have few rivals in the solar system. A word about Earth’s solar eclipses, and what eclipses would be like on other planets, here.

To restore soils, feed the microbes

Healthy soil teems with bacteria, fungi, viruses and other microorganisms that help store carbon and fend off plant diseases.