Magnetic loops create a bright white flurry over an active region of the sun's surface in a colorized video still from one of NASA's twin STEREO spacecraft.

Hosted by wildlife ecologist Taylor Edwards and veteran expedition leader Gustavo Abarca, our webinar will take you into the rain forests of Manuel Antonio and Corcovado National Parks, where monkeys, frogs, and sloths coexist with countless species of tropical birds.

''Absolutely sensational'' new pictures are rare proof that the world's largest toothed whales feed on elusive giant squid. And if researchers are right, the photos may also show a baby whale's hunting lessons.

At Halloween, pause to remember the animal ''undead''—before they remember you. From ''resurrected'' spiders to mind-controlled ants to reanimated frozen frogs, some wildlife is wild ''dead'' too.

The November issue of National Geographic magazine features a moving photograph of chimpanzees watching as one of their own is wheeled to her burial. Since it was published, the picture and story have gone viral, turning up on websites and TV shows and in newspapers around the world. ...

A leaping wolf, a feisty pet cat, and two playful Amazon dolphins feature in some of the winning pictures from this year's Veolia Environment Wildlife Photographer of the Year competition.

From awe-inspiring parks to ''cruise ship hell''--see what 437 experts say are the best and worst of the world's most iconic travel destinations.

Ewan McGregor's Travel Advice: For our annual travel issue, we asked the actor to share his hard-won wisdom. All of it, by the way, applicable to non-movie stars.

Wrapped in linen and reverently laid to rest, animal mummies hold intriguing clues to life and death in ancient Egypt.