Andrea Mustain

Already plagued by trouble, the men knew the end was near.

Scientists welcome deep-sea dive for myriad reasons.

This little predator was hard to find.

This expedition is looking deeper than James Cameron will go.

Will the hot weather stick?

Forecasters had been eyeing the burgeoning storm for days before the tornadoes hit.

Warm and early spring might be making you feel bad.

Drought forced down numbers, and some saw it coming.

Even free meals couldn't keep sharks from their wild wanderings.

Dive would mark only second time humans have visited deepest place on Earth.

These dainty sharks are found only near the famed islands.

Coral thrives, and is returned to hard-hit ecosystems.

Scientist's image makes swimming with sharks look appealing.

Global warming will likely make it worse, research suggests.

Gentle giants tracked far out to sea, and down into the deep.

Even in the cold and dark of winter, life hums away, researchers say.

Take a trip to one of the most isolated villages in Morocco, a place where foreigners have never set foot.

These nature-made snow crystals will put your grade-school efforts to shame.

These tiny reptiles also appear to enjoy taking late-night swims.

Seamounts get dragged under the surface by subducting plates.

Four new species of tiny chameleon lizards have been discovered in Madagascar.

Don't try out these gifts on your human beloved.

A drill has gone through 2 miles of ice to reach subglacial Lake Vostok.

You may not love those freezing temps, but it turns out they're actually good for something.

Russian news outlets reporting team has reached long-buried Antarctic lake.