Sixth mass extinction is happening now

We are entering a mass extinction that threatens humanity's existence, says a new study

Geomagnetic storm on its way, June 22 and 23

It's due to arrive sometime today (June 22, 2015). NOAA forecasters estimate a 90% chance of polar geomagnetic storms when the CME arrives. Aurora alert!

Earth’s core contains lots of sulphur

New research shows that Earth's core contains vast amounts of sulphur - 90% of our planet's sulphur - equivalent to 10% of the mass of the moon.

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?