National Geographic Explorer Paul Salopek is on a decadeslong project to walk from East Africa to South America. In his 13 ...

Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy.

California Republicans filed an emergency appeal to the U.S.

New recommendations prioritise multiparametric MRI, safer transperineal biopsy, and earlier escalation for high-risk prostate-specific antigen relapse.

By Dave Graham DAVOS, Switzerland, Jan 22 (Reuters) - President Donald Trump's use of tariffs as a foreign policy tool added ...

The company expanded several Google Maps features to users in Europe; the rollout started in the summer and continues these days ...

The president said at the World Economic Forum that he won't use force to acquire Greenland.

The robotics explosion. The energy revolution. The cultural takeover. It’s everything you wanted for the United States—but ...

After a wildfire, rain washes away soil for years. A new study reveals massive losses and hidden risks in a global map.

President Trump is addressing the gathering of world leaders, CEOs and policymakers as America's allies balk at his efforts ...

Up to 98 percent of Antarctica is caked in miles-thick ice sheets, some of which formed millions upon millions of years ago.

A blast of Arctic air is moving across the eastern U.S. this weekend, bringing dangerously cold temperatures and a winter ...