Data acquired from NASA's MESSENGER probe suggest that Mercury used to have an ocean of molten rock. ->

An epoch of ancient time known as the early Pliocene 3-5 million years ago holds special fascination for climate scientists, because levels of carbon dioxide in the atmosphere were about as high as they are in modern climate. What puzzles researchers is why, even though conditions such as sunlight,...

...that's how much oil giant BP believes may be lying buried deep beneath the Gulf of Mexico. By comparison the current proven reserves in the US are 30 billion barrels). Most of that's unreachable with today's oil drilling technology. But that's not likely to last. Yesterday th...

Despite the massive wildfires that have swept the western U.S. in recent years, the region has barely begun paying down the huge fire deficit it has accumulated over the last 100 years.

The same technology that pesters you with targeted advertisements on the internet was adapted to help seismologists locate the planet's earthquake hotspots.

Five-hundred thousand years worth of hurricanes and sea breezes weren't enough to brush the dust off Bermuda's shoulders.