Kami Rita Sherpa scaled Mount Everest for the 31st time on Tuesday. We spoke to him about what is next for the mountain.

A meandering street in the picturesque town of Harlech was crowned by the Guinness Book of World Records as the world’s ...

During the late stages of the last ice age, the Arabian Desert wasn't always the dry expanse you know today. In fact, recent ...

Could the world’s steepest street be hiding in San Isidro de El General, Costa Rica? Explore this extreme incline, compare it ...

Carmel is facing a new reality: Much of the oceanfront village’s historic and highly sought-after core has been redefined by ...

Despite its overwhelmingly icy appearance, Antarctica is actually a solid continent of rocky mountains and now experts know ...

NASA’s SWOT satellite has measured large river waves for the first time, which were found to be caused by extreme rainfall ...

Dr. Baker Perry leads a team of scientists as they set up weather stations on Everest and other extreme environments. CNN’s ...

Scientists use Earth's mean sea level as the base, with China adopting the Yellow Sea's average level as its reference, ...

Global maps that depict gradations of psychological traits often conceal as much as they reveal. Here’s a guide for savvy map ...

Scientists confirm Zealandia, Earth's eighth continent, submerged almost two million square miles, with only 5% above water.

Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized ...