Scientists have a different idea of the twilight zone. To them, it’s an area of the open ocean where most fish live – depths of 650 to 3,200 feet.

Organisms in the deep sea rely on gravity flows to lay down sediment and then make burrows beneath the seafloor, according to a new study.

From exploring Arizona canyons to Utah buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

Whether you’re into walleye with pineapple “chow chow” relish, chicken schnitzel, or even burgers the new menu at Elsa’s On ...

For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field ...

With more time, the fish may learn to pay attention to more subtle human features, such as hands or hair. According to the ...

BRUSSELS—NATO marked on Thursday 75 years of collective defense across Europe and North America, with its top diplomats vowing to stay the course in Ukraine as better-armed Russian troops assert ...