Science Video

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In one of their few joint public appearances, the crew of Apollo 11 spoke on the eve of the 40th anniversary of man's first landing on the moon. But the astronauts aren't dwelling on their small lunar steps. (July 19)

Australia is investing $88 million in a powerful new telescope designed to revolutionise our understanding of the universe.

Australia is investing $88 million in a powerful new telescope.

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It¿s been 40 years since Neil Armstrong first stepped onto the lunar surface and said those famous words. A look back at one of the defining moments of the 20th Century.

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A rare invasion of jumbo flying squid, also known as Humboldt squid, is putting the diving community on edge just north of San Diego. Some divers are being more careful going in the water because of the carnivorous squid. (July 16)

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Astronauts aboard the Endeavor need to assess how much damage the debris caused.

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The retail giant will rate its products based on environmental impact.

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A Hollywood restoration company makes the first moonwalk footage clearer.

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NASA releases newly enhanced "lost" footage of man's first moonwalk to commemorate the 40th anniversary of the Apollo 11 mission.

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The original recordings of the first humans landing on the moon 40 years ago were erased and re-used, but newly restored copies of the original broadcast look even better, NASA officials said.

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Clear, cold, and filled with life, this special waterway is protected by towns using new ultraviolet treatment instead of poisonous chlorine to treat their sewage.

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Apollo 11's lunar module touches down on the moon.

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Some former astronauts don't see the value in more trips to the lunar surface.

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Frank Reynolds anchors an event that took men to the moon for the first time.

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Experience the countdown and launch that occurred July 16, 1969.

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On the 40th anniversary of the Apollo 11 mission, when American Neil Armstrong first walked on the moon, NASA has released a partially restored video from the July 20, 1969, moonwalk. The restoration project will be complete in September.

The space shuttle endeavour has finally blasted into space, on its sixth attempt.

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Endeavor takes to the skies on its journey to the International Space Station.

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U.S. space shuttle Endeavour and seven astronauts blast off from the Kennedy Space Center in Florida.

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After more than a month's delay, space shuttle Endeavour and seven astronauts has blasted into orbit on a flight to the international space station Success came on the sixth launch attempt. (July 15)

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Russian engineers have broken a red wax seal and 6 men emerged from a metal hatch beaming and waving after 105 days of isolation in a Soviet-era mock spacecraft testing the stresses space travelers may one day face on the journey to Mars. (July 15)

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Scientists in Japan subjected a six-story condo building to a powerful earthquake in a test of building practices that could lead to better building standards and practices. (July 14)

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A cat's purr normally says, "I'm happy." But a new study suggests some purrs send cat owners a much different message: "Feed me!" (July 14)

Bad weather has grounded space shuttle Endeavour.

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Experts in Tokyo on Sunday finished assembling a replica of what they claim is the world's biggest dinosaur skeleton. (July 13)

Heavy clouds and storms have delayed the launch of the space shuttle Endeavour.

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A spate of lightning strikes near Shuttle Endeavour's launch pad, causing NASA to cancel Saturday's launch attempt.

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Forty years ago, Neil Armstrong became the first man to walk on the moon, realising one of the oldest dreams of humankind and allowing the United States to get ahead in the space race against the Soviet Union. Archive images of the Apollo 11 mission.

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DNA technology is being used to trace African-Americans' family histories.

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Parts of the country are seeing cooler and wetter-than-normal summer weather.

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Scientists at Whipsnade Zoo are using high-speed cameras and a sensitive track to find out exactly what makes cheetahs the fastest running animals on the planet.

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New reports suggest that consumers know less about expensive bottled water than what comes out of the tap for free. (July 8)

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In the Western Ghats mountains range along the western side of India, a rare bat species and a unique cave ecosystem teeming with other wildlife are threatened by the planned construction of a hydroelectric dam.

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Viewers tuned in online to see Michael Jackson's memorial service.

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Plans for the world's largest wind farm in the Texas Panhandle have been scrapped and energy baron T. Boone Pickens says he's now looking for a home for 687 giant wind turbines. (July 7)