Yellowstone supervolcano would cover North America in ash

It's highly unlikely a supervolcano will erupt at Yellowstone National Park. But, says a new study, if one did, volcanic ash would cover North America.

Testing a space rover under Alaskan ice

Scientists test a device on an Alaska glacier that could be used to explore an icy moon of Jupiter.

Are tornado outbreaks on the rise?

A new study has found that dangerous tornado outbreaks in the U.S. are on the rise.

Strong 6.0-magnitude earthquake rocks San Francisco Bay area

Strong earthquake struck San Francisco Bay area early on August 24, 2014. Power outages, moderate damage across region, closed highways, serious injuries, no deaths.

A trip down Canada’s Iceberg Alley

It's been a banner year for iceberg sighting in Iceberg Alley, the area off northeastern Newfoundland where the Titanic struck an iceberg and went down in April, 1912.

Researchers find life beneath half a mile of Antarctic ice

The discovery of bacteria in a lake under 800 meters of ice suggest the possibility that similar life might exist elsewhere in our solar system.

Zombie ant fungus kills its hosts on doorstep of ant colony

A zombie ant fungus must kill its ant host outside the ant colony, in order to to reproduce and transmit its infection, new research shows. But not far outside.

Unusual precipitation patterns in the U.S.

Some extreme rainfall events of August 2014. Extreme rainfall in the context of urban sprawl.

Lifeform of the week: Brain mushroom

The brain mushroom is that rare species with the distinction of being both edible and poisonous.

Bizarre-looking fossil has finally been identified

This strange fossil - a worm-like creature with legs, spikes and a head that's difficult to distinguish from its tail – has been linked with a group of modern velvet worms.

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