Lightning strikes causing rocks to explode help shape mountains

Scientists thought cold temperatures caused the angular rock formations in South African mountain landscapes. But mountains may be less stable than we knew.

California diver finds 18-foot-long sea creature

The diver - Jasmine Santana of the Catalina Island Marine Institute - reportedly thought, "I have to drag this thing out of here or nobody will believe me."

Will climate changes keep red crabs of Christmas Island from spawning?

When the wet season begins in November, Christmas Island's iconic land crabs march towards the sea to spawn. Climate change could put a stop to it.

Illinois river otters still exposed to chemicals banned decades ago

Researchers report that river otters in Central Illinois are being exposed to polychlorinated biphenyls (PCBs) and pesticides that were banned in the U.S. in the 1970s and ’80s.

Typhoon Wipha strikes Japan’s east coast

Typhoon Wipha will bring heavy rain, strong winds, and heavy surf to Japan today. Tokyo (population: 9 million) and the damaged Fukushima nuclear plant are both vulnerable.

India’s example: How to survive a worst-case cyclone

Before Cyclone Phailin made landfall, India evacuated nearly a million people. Lives were saved, but now more challenges lie ahead.

Scores killed or hurt as earthquakes rock southern Philippines

It was 8:12 a.m. on October 15 when the ground began to shake in the southern Philippine islands. Dozens dead, scores injured. Multiple strong aftershocks.

Unique spine found in 240-million-year-old fish fossil

A newly-discovered backbone structure in a well-preserved 240-million-year-old fossil fish reveals an inflexible and slow swimmer, an evolutionary dead end.

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.