Why did we have a completely open border? Why did 12 million people come into the U.S. from all over the world under illegal ...

Some Europeans have acknowledged U.S. grievances over trade but wonder whether the Trump administration is serious about ...

What’s been your favorite family trip? Maybe you’ve got one, or two. But for me, that’s like asking which is my favorite ...

A month ago, an ordinary cell phone camera captured this rapidly mutating auroral display a single degree south of the Arctic Circle. Decades of celestial tour expeditions make us place the Northern ...

Some claim that polar bears are the only animals that hunt humans, but is this true? What would you do if you encountered a ...

Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from its Diavik Diamond ...

Tensions with Russia have led to Norway reopening their Cold War bunkers. It may sound like something out of a James Bond ...

A bitcoin investor who bought a SpaceX flight for himself and three polar explorers has blasted off on the first rocket ride ...

SpaceX launched the Fram2 with four people aboard over the Earths’ poles on Monday night, marking the first time humans have ...

A formerly “chubby kid” who made history completing ultramarathons in the Arctic, Amazon, desert and mountains said sports ...

In the first few weeks of spring, a 50-degree-Fahrenheit (10-degree-Celsius) day might call for a light jacket or no ...

F knock-in AD model mice and the age-matched control mice underwent memory modification learning, which consisted of classical fear conditioning, extinction, and reinstatement. The results showed that ...