Lifeform of the week: Portuguese Man o’ War

Don’t call the Portuguese Man o’ War a jellyfish. And don’t get near its stinging tentacles, even if it’s dead.

How the parrots got its chat

New findings help explain how parrots, just like humans, can talk and dance.

Many of Earth’s biggest aquifers overstressed

People around the world rely on groundwater for drinking and crop irrigation. But a new satellite data study says that many of our biggest aquifers are overstressed.

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 ...

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