Our favorite Big Agnes two-person ultralight shelter—the Tiger Wall Solution Dyed UL2—is now 30 percent off at REI.

What spring travel essentials made the Shop TODAY host list? Shop Bombas compression socks, Calpak duffel bags, sun ...

Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ...

Alaska, largely unspoiled wilderness, looks like something out of The Lord of the Rings.

Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ...

ICBM, Minuteman III, blasts off during operational test at Vandenberg Space Force Base, California ...