In and around Australia's Great Barrier Reef, researchers with the Census of Marine Life have discovered hundreds of new species. Video.

Voracious sea urchins are stripping coral reefs off Australia, depriving fish of key habitat, scientists say. The potential solution? Strategic deployment of urchin-eating lobsters. Video.

A "missing link" found in Germany may be a key to human evolution—a nearly intact skeleton of a 47-million-year-old lemur-like creature. Video.

Watch the tense final moments of the 2009 National Geographic Bee as host Alex Trebek grills the finalists in Washington, D.C. Video.

Space shuttle astronauts on Tuesday morning released the Hubble Space Telescope, following five spacewalks to repair and improve the 19-year-old spacecraft. Video.

Tribespeople in northwestern Taiwan had no electricity until the late 1970s and even more recently carried flaming torches at night. But now a research institute has upgraded their lighting systems. Video.

Atlantis's astronauts completed the first of five spacewalks to repair the Hubble telescope. They installed a new camera that will see farther into the universe than ever before. Video.

Nearly a thousand long-tailed macaques live in Lopburi, near Bangkok, Thailand. Volunteers care for the monkeys when they are sick or injured.Video.

The space shuttle Atlantis sustained minor damage to its thermal tiles during its Monday launch, likely from debris that came off the fuel tank after lift off. Video.

A sanctuary is giving chimpanzees a second chance at life by rescuing them from harmful and abusive zoos, research laboratories, circuses, and homes. Video.

Astronauts aboard space shuttle Atlantis will install new tools in the Hubble Space Telescope to see deeper into the universe than ever before.

At a Brazilian wild cat conservation center, experts go to extremes to keep rare cats from going tame—from hiding food to smearing chicken blood. Video.

Scientists have caught a fast-growing, 12-story underwater volcano erupting—along with odd creatures evolved to survive its toxic emissions. Video.

The European Parliament has voted to ban the import of seal products, mainly from Canada, in an effort to stop that country's annual seal hunt—angering some Canadian fishers and Inuit people. Warning: graphic video.

It might sound like going from the frying pan into the Frymaster, but it's actually a good thing that historic moon pictures have been moved from dusty storage to an old McDonald's—a "pretty cool place" for restoration work. Video.