I've been to the Mariana Trench. The choice is clear: Protect one of earth's last frontiers or destroy it before we even understand what we're losing.

This sanitation company disposes of its waste by dumping it into the Amazon river. And unfortunately, they're not the only ones. All over the world, people are treating bodies of water like they are ...

The Mariana Trench is believed to be too extreme for large predators to survive. When cameras were lowered into its depths, researchers expected little more than darkness and silence. Instead, the ...

Far beneath the Atlantic Ocean, about 1,000 kilometers off Portugal’s coast, lies a colossal underwater canyon system that ...

When we dream of landscapes, we might imagine rolling valleys or rugged mountains. But there is a whole landscape hidden from ...

The 748-foot-long sediment core contains a record of roughly the past 23 million years, including periods when the planet's surface temperature was hotter than it is today ...

Add Yahoo as a preferred source to see more of our stories on Google. The next stage of replacing one of Calgary's feeder mains is expected to have significant impacts on local residents, and it's not ...

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It's easy to imagine the sea beneath as calm and largely static—a massive, still abyss far removed ...

Nicole Kidman wore a pattered orange maxi dress to the Peninsula Classics Best of the Best Award. She paired the optical illusion gown with a millennial side part. Kidman also stepped out the day ...

Morgan O’Hanlon: As you’re driving through West Texas and through Balmorhea, this kind of big open desert, you get to the Phantom Springs Cave and it’s this tiny little narrow crevice.

For the tiny island called "the tip of America's spear" in the Pacific, it can be hard to say no to the United States government. So Guam's governor, Lou Leon Guerrero, expects a tough fight as the US ...