Three thousand years ago, a fortified city on Egypt's border was both a warning to invaders and an awe-inspiring gateway for travelers--as evidenced by newly revealed grand temples and rare cravings.

A rare collection of more than 2,000 species of Chinese fungi, sent to Cornell University for safekeeping after the outbreak of World War II, will soon be on its way back to its native land.

Swine flu started sweeping the globe, a unique Roman artifact was unearthed, and a baby gorilla was found in an animal trafficker's suitcase, as seen in this week's selection of the best news pictures.

Does your town bring you down? A new U.S. government study reveals regions most prone to "frequent mental distress." Hint: It may not just be the grass that's blue in Kentucky.

Dueling cyclones, tropical atolls, and solar loops are among the top ten images of Earth and its neighbors, as picked by readers of a NASA Web site.

The Saturn moon Prometheus stabs the planet's F ring, Mars's chaotic terrain is revealed, and scientists prepare the last shuttle voyage to Hubble in this week's best space images.

A sacred mountain, a Manhattan Project hangar, a famous L.A. hotel, and more may soon disappear, erasing "a piece of our heritage," according to the National Trust for Historic Preservation.

See flapping fish, bear hugs, and some of the last remaining people from a hunter-gatherer tribe in these glimpses of life around the globe.

As the world ponders a global swine flu pandemic, nuns don surgical masks, officials with heat-sensitive cameras scan travelers, and scientists probe pork.

See the New York City island of today--and as it was 400 years ago, when wolves and elk roamed, forests stretched to the horizon, and Native Americans were the only New Yorkers.

During its 19 years in orbit, Hubble has captured its share of poster-worthy images. But the beloved space telescope has also helped humans unravel some of the mysteries of the universe.

See a bouncing baby marsupial, a Maya fire sport, ants with radio "backpacks," and more in the week's best news photos.

See great, green gobs of star formation, dunes that look like doilies, Martian dust storms, and more in our selection of the week's best space pictures.

Even as the aging telescope's fate is in question, a new shot of interacting galaxies marks the anniversary of the iconic instrument's launch almost two decades ago.

In 1970, the same year as "Bell Bottom Blues" hit the charts, bell-bottomed greens thronged the first Earth Day events, where they learned, chanted, sweeped—and even littered.