From "cannibal" water beetles to blind cave eels, hundreds of newfound subterranean animals have revealed unexpected diversity in the dry Australian outback.

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

Weighing in at fewer than two pounds, the Chihuahua-size dinosaur Fruitadens haagarorum was an agile omnivore, a new study says.

In a battle for the lightest yet strongest, robotic competitors in the 2009 Regolith Excavation Challenge hauled hundreds of pounds of simulated moon soil. Winning designs may actually end up on the moon if NASA builds a lunar outpost.

Get an astronaut's-eye view of a volcanic eruption, examine a newfound Martian meteorite, see proof that a NASA craft smashed into the moon, and more in the week's best space pictures.

A steam-shrouded bison, a bikini-clad diver, a seven-year-old shepherd, and other wild wonders stalk our selection of winning pictures from the latest Banff Mountain Photography Competition.

A huge fireball streaked over several Dutch towns on Tuesday before it broke apart, creating a sonic boom that rattled windows, witnesses report.

Giant alien snakes--some of which have been known to kill humans--could easily colonize Florida and other parts of the United States, a new report says.

Check out the tail-end of a galactic tussle, see the lighter side of Mars's "Labyrinth of Night," spy on ships' tracks as seen from the skies, and more in the week's best space pictures.

A newfound fossil predator, which may have hunted other flyers, is a hodgepodge of older and more modern flying reptiles, scientists say, bridging a gap in pterosaur evolution.

Highway bridges, an 80s public library, and a concrete powerboat arena are just some of the U.S. structures named on the World Monument Fund's 2010 Watch List of landmarks worth preserving.

From the skies of Venus to the Martian underground--a new tool pinpoints the three extraterrestrial worlds most likely to support life in our solar system, along with two also-rans.

Enormous sheets of gelatinous mucilage—full of deadly bacteria and viruses—are becoming a more common sight throughout the Mediterranean Sea as temperatures rise, a new study says.

A plant "phallus," a hungry sea star, and miniature "dreadlocks" are among this year's award-winning peeks into our small world.