Think shampoo makes a bad holiday gift? Think again! Our editors and writers tested the very best hair care products this year. These are the ones we’d actually love to unwrap as gifts.

Monarch butterflies, for example, only lay their eggs on milkweed, and milkweed is all monarch caterpillars can eat. Without ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

Spend the night in locations guaranteed to thrill, from pods dangling off a cliff to underground rooms in an old mine. If a series of transparent capsules suspended 1,300ft above Peru’s Sacred Valley ...

From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes can be their biggest advantages. Found across every continent except ...

The dinner fork is one of the most common fixtures at tables worldwide—so ordinary, so unthreatening, that few give it a second thought. But for centuries, the fork was condemned as a symbol of ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the innermost planet. A cormorant crosses the face of the full moon in ...