Tackling the John Muir Trail at night with only stars and moon to light the path, a veteran hiker experiences the popular 200-mile trail in a new—and wilder—way.

McGowan notes he has seen mantises stalking hummingbird feeders before, but has never witnessed an attack. Anecdotal accounts ...

Two orcas harpooned in front of a group of whale watchers puts a spotlight on St. Vincent's controversial whaling practice.

A new 3-D model of a portable sundial found near Pompeii is helping researchers understand how to operate the "pork clock." ...

From Nova Scotia to Phnom Penh, in quaint small towns and big cities alike, these places support and welcome travelers with pride.

Stretching almost 1,500 miles, the Great Barrier Reef is so vast that just 20% has been surveyed. With tourism funding ...

Amid cautious optimism that a "top kill" effort to cap the leaking well causing the Gulf oil spill is working, President Obama banned new offshore drilling Thursday until further notice.

IBM's Watson seemingly came from out of nowhere to win Jeopardy! But the computer is just the latest artificial intelligence sensation.

Another train carrying crude oil has derailed in the United States—this one erupting in flames in West Virginia. Yet it ...

The Cofán people in Ecuador watch over the forest to defend it from invaders. After studying in the U.S., Hugo Lucitante returned home to help.

The legendary pair share their thoughts on the craft of photography, what goes into a great shot, and what they hope for the ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...