Structural insights into tiny bacterial harpoons

New research sheds light onto how different bacterial species can build complex nano-harpoons with different protein building blocks. Bacteria use these harpoons called Type VI secretion systems to inject toxins into nearby ...

Comet lander may not be securely anchored: ESA

A European probe Wednesday made the first-ever landing on a comet in a quest to explore the origins of the Solar System, but there were concerns over whether it was fastened securely enough to carry out its mission.

Harpooning space debris

( —Faced with the challenge of capturing tumbling satellites to clear key orbits, ESA is considering turning to an ancient terrestrial technology: the harpoon.

Australia hits out at Japan at whale research launch

Australian Environment Minister Tony Burke Thursday hit out at Japan's "alleged" scientific whaling as researchers hailed the testing of new acoustic tracking technology for the endangered blue whale.

Filmmaker sounds alarm over ocean of plastic

On Midway atoll in the North Pacific, dozens of young albatross lie dead on the sand, their stomachs filled with cigarette lighters, toy soldiers and other small plastic objects their parents have mistaken for food.

NASA developing comet harpoon for sample return

( -- The best way to grab a sample of a rotating comet that is racing through the inner solar system at up to 150,000 miles per hour while spewing chunks of ice, rock and dust may be to avoid the risky business ...

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