Tropical Depression Bill a flood threat

Bill made landfall late Tuesday morning as a tropical storm. Now weakened, it will produce heavy rain in parts of the south-central U.S. on Wednesday.

Mount Everest shifted 3 centimeters by Nepal earthquake

Located on the China-Nepal border, Mount Everest - highest mountain on Earth - sits where two of Earth's great land plates meet. Thus it's always moving ...

Real Jurassic Park needs more than dinos

Yes, cloning long-extinct dinosaurs is impossible. But even if dinosaur genomes were available, the animals couldn’t simply be plopped anywhere.

Global warming hiatus never happened

Studies had suggested that global warming slowed or paused since 1998. More thorough research shows the global warming "hiatus" likely never happened.

North America once linked to Australia?

A new tectonic model suggests that the continent of North America may have once been attached to Australia.

Watch start of India’s monsoon season

This year's monsoon rainfall began on June 5 in southern India. This animation, made from satellite data, shows where the precipitation fell as the season started.

Measuring sea level on a dynamic Earth

Warming temps, and the rise and fall of coasts, complicate measurements of sea level. How do scientists establish sea level on a constantly changing Earth?

First-of-its-kind bird fossil found in Brazil

It dates back approximately 115 million years and reveals a prehistoric bird with long tail feathers, a first-of-its-kind find for South America.

How much do oceans add to world’s oxygen?

Most of Earth's oxygen comes from tiny ocean plants - called phytoplankton - that live near the water's surface and drift with the currents.

Seaweed colonizing ice-free parts of Antarctica

With glaciers melting, the original white, mostly lifeless Antarctica is now becoming darker and lively with seaweed.

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