Video: Brainy octopus and its coconut

We can’t get enough of the coolness of octopuses here at Earthsky. Watch what this octopus does with coconut shells.

Earthquakes to blame for Mount Sinabung eruptions?

Scientists think there may be a link between the new volcanic activity at Mount Sinabung in Indonesia and three recent megathrust earthquakes.

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.