Some of the Amazon rainforest’s remotest reaches lie not in Brazil, but in Ecuador. A weeklong river cruise reveals the creatures, plants, and people that define this extraordinary region.

U.S. President Donald Trump has repeatedly threatened Greenland and says Washington must take control of the strategically ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

During the interview, Trump took a lengthy call from President Gustavo Petro of Colombia, who was clearly concerned after ...

In a rebuke to the president, the Senate narrowly agreed to bring up a War Powers Act resolution for a vote next week. The measure would require Mr. Trump to seek congressional authorization for ...

There are a lot of predictions that artificial intelligence doctors are coming soon. A look at the investment market confirms ...

Mogadishu’s first line of defense against the next militant attack on Somalia’s capital ranges from machine gunners in ...

With that ethos top of mind, Aurora Expeditions has launched its newest purpose-built vessel, the Douglas Mawson.

SNAP-Ed, the country’s largest nutrition education program, was eliminated last fall. States are starting to feel the impact.

Federal aviation records show a notice was issued to pilots that a tightrope would be stretched across a mountainous area of Arizona, providing a warning to watch out for the temporary obstacle.

Behind the glossy demo videos and bold promises, Elon Musk’s Optimus program is quietly trying to turn Tesla into a robotics ...

A notice was issued to pilots that a tightrope would be stretched across a mountainous area of Arizona a week before a deadly ...