Arctic summer has an open ocean

Oceanographer Sylvia Earle calls the Arctic a "hope spot." In other words, she said, we still have a chance to get it right.

Will Katia become a hurricane?

Tropical Storm Katia could become 2011's second major hurricane by Saturday. A weather system in the Gulf of Mexico could be named Tropical Storm Lee.

Scientists say the deep sea needs better management

The deep sea is in trouble. A recent study has found that it's being damaged by human activities, and that this is only likely to get worse.

Tropical Storm Katia seen as day breaks over Atlantic

A NOAA satellite captured this wondrous image of what might be a newly forming hurricane, Katia, building today in the eastern Atlantic.

Scientists collect climate change data from Irene flooding

Scientists were in the thick of the storm collecting data to help them better understand the role of big storms in climate change.

Hurricane Irene and its history

Irene came into being on August 15, 2011 as a tropical wave off the coast of Africa and slowly moved to the west ...

Domestication robbed stallions of genetic variation

Modern stallions almost certainly lost the genetic diversity their ancient ancestors once had after domestication, a new study revealed.

Where is Irene now? Track the tropical storm

UPDATE: Sunday, August 28, 5:40 p.m. EDT (21:40 UTC). Tropical Storm Irene has been gradually weakening and is beginning to lose tropical characteristics.

Forever young: Earth’s crust recycles faster than we thought

Scientists from Max Planck Institute for Chemistry say Earth's crust may be recycled in only half a billion years, based on data from volcano Mauna Loa.

What will Hurricane Irene do to New York City?

Hurricane Irene, forecast to hit New York City this evening (August 27), brings a destructive combination of storm surge, damaging winds and flooding rain.

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