New idea for how Earth’s core formed

An iron melt network helped grow Earth's core, a Stanford study suggests

Thousands flee as Cyclone Phailin approaches India’s east coast

Cyclone Phailin is now officially the strongest storm ever measured in the Indian Ocean. It is striking India's east coast today.

Video: Thermal images of lava spewing from an erupting volcano

A thermal camera standing 250 meters away from an active volcanic vent captured this video of molten lava spewing from Italy's Stromboli volcano.

New device harnesses sun and sewage to produce hydrogen fuel

A novel device that uses only sunlight and wastewater to produce hydrogen gas could provide a sustainable energy source.

Elephants know what it means to point, no training needed

Elephants understand humans in a way most other animals don’t, according to the latest research from the University of St Andrews.

Recovery of deep sea life after Gulf oil spill may take decades

A new study of deep sea life after the 2010 Deepwater Horizon oil spill in the Gulf of Mexico has found far-ranging impacts that may take decades to reverse.

Video and photos: Rich biodiversity in South American rainforest

"I have conducted expeditions all over the world, but never have I seen such beautiful, pristine forests so untouched by humans." - Dr. Leeanne Alonso

Tropical Storm Karen moving toward landfall on Saturday

Karen is expected to hit the Gulf Coast near southeast Louisiana, with a second possible landfall near Mobile, Alabama, Saturday night and Sunday morning.

Stormy first weekend of October in the U.S.

Stormy weather is likely Saturday, October 5 in the north-central United States, where a strong cold front will trigger winter weather and severe weather.

Video: London Zoo’s first tiger cub birth in 17 years

For 105 days, zookeepers monitored Sumatran tiger Melati through hidden cameras installed to keep an eye on her first birth. See the birth on this video.

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