Scientists got a glimpse of a mid-ocean ridge without taking a dive to the seafloor.

On the first day of summer, heat advisories have been issued up and down the East Coast.

The rainy season is the result of a change in the prevailing wind direction.

Research used surprising source to develop a law to predict a hurricane's movement.

The tornado-track map reveals that the U.S. is a hot-spot for twisters.

Italy isn't Tornado Alley, but twisters can happen anywhere the conditions are right.

The attempt marks a game-changer for state-sponsored deep-sea exploration.

This 'lady' was a whopper.

The month likely saw the lowest number of tornadoes since record-keeping began.

Coral is far more charismatic than many may have guessed.

Modern scientists are studying the transit around the world like their 18th century predecessors did.

It may seem like a snooze, but it started with a bang.

These shy animals have almost never been captured on film.

But nobody is off the hook and officials urge preparedness.

A visual aid makes this exponential scale a lot clearer.

The seismic jolts keep on coming.

This area hadn't seen a strong quake in centuries.

These secretive creatures were discovered only 20 years ago.

No relief in sight for drought-stricken areas of the country.

One chimney is as tall as a seven-story building.

Volcano's own gas bubbles reveal underground plumbing.

NASA scientists captured stunning footage during flights over the ice.

One twister moved over land and caused damage.

Authorities can sound the alarm seconds to minutes before shaking strikes.