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Apollo 11 moonwalker Buzz Aldrin says the world is at a crucial moment where decisive action from a global leader now would start humans on a path towards the colonisation of other planets:

"I happen to feel that at this juncture in time that a leader of the world of some nation has the opportunity to [...]

Longhorn cowfish (Lactoria cornuta) are one of many species that live on seagrass meadows (Image: Bruce Nyden)
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Seagrass meadows are disappearing at an accelerating pace, according to a new report, which is the first to look at the problem on a global scale.

Seagrass meadows, along with coral reefs, mangrove forests, and salt-marshes, provide valuable ecosystem [...]

THE midst of the deepest recession the aviation industry has ever seen is not the best time to discover that your revolutionary aircraft design has yet another serious structural weakness. But that’s the predicament Boeing found itself in last week.

A section of the Dreamliner undergoes wind tunnel tests, which proved unable to predict the forces [...]

 
Several of the trenches dug by NASA’s Phoenix Mars Lander are displayed in this approximately true color mosaic of images from the lander’s Surface Stereo Imager camera. The component images were taken on various dates during the five months that Phoenix studied its surroundings after landing on a Martian arctic plain on May 25, 2008. [...]

ScienceDaily (July 3, 2009) — El Niño years typically result in fewer hurricanes forming in the Atlantic Ocean. But a new study suggests that the form of El Niño may be changing potentially causing not only a greater number of hurricanes than in average years, but also a greater chance of hurricanes making landfall, according [...]

a moist mixed deciduous forest of the Pacific Northwest, Washington State.

ScienceDaily (July 3, 2009) — The forests of the Pacific Northwest hold significant potential to increase carbon storage and help mitigate greenhouse gas emissions in coming years, a recent study concludes, if they are managed primarily for that purpose through timber harvest reductions and increased [...]

ScienceDaily (July 3, 2009) — Do friends wear the same style of shoe or see the same movies because they have similar tastes, which is why they became friends in the first place? Or once a friendship is established, do individuals influence each other to adopt like behaviors?

Avatars in Second Life hang out in a [...]

ScienceDaily (July 3, 2009) — Scientists have discovered three new species of Australian dinosaur discovered in a prehistoric billabong in Western Queensland.

Artistic representations of the three new Australian dinosaur taxa: Australovenator (top); Wintonotitan (middle); Diamantinasaurus (bottom). (Credit: Artwork by: T. Tischler, Australian Age of Dinosaurs Museum of Natural History / Scott A. Hocknull, Matt A. [...]

ScienceDaily (July 3, 2009) — People find it very easy to recognise a face, even under very different circumstances. For a computer, on the other hand, it is extremely difficult. Dutch researcher Laurens van der Maaten has developed a new analytical technique which enables the computer to better interpret the content of photos and images, [...]

This full resolution detail is from one of the first images taken by a Narrow Angle Camera, part of the Lunar Reconnaissance Orbiter Camera imaging system. Visible are distinctive trending lineations, which are probably remnants of a catastrophic deposition of ejecta from a nearby impact. Older craters are subdued, while younger craters are crisp and [...]