A Washington Post investigation found that in one of the planet’s most arid regions, extreme rain and floods have become frequent and deadly.

Planet-warming pollution rates exploded after the end of World War II. James Watt’s steam engine launched the Industrial Revolution in 1769. Before that, for thousands of years, humans were clearing ...

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

Careful reanalysis of data from more than a decade ago indicates that Saturn's biggest moon, Titan, does not have a vast ...

In astronomy, there is a concept called "degeneracy." It has nothing to do with delinquent people, but instead is used to ...

Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

A strong, 6.7-magnitude earthquake struck in the North Pacific Ocean on Friday, according to the United States Geological Survey. The temblor happened at 11:44 a.m. Japan time about 71 miles northeast ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

This year's Arctic Report Card from the National Oceanic and Atmospheric Administration finds that the northernmost part of ...

The seventh edition of the Global Outlook (GEO-7) offers a stark vision of the decades to come. But its authors say the worst ...