Science & Health: Space, Medicine, Climate Change And Humans
The home of space, archaeology, medicine, physics, climate change and everything else that impacts the planet, our health and the world of science.
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Watch as NASA Launches Solar Sail to Test Sunlight-Propelled Space Travel
A new experimental mission by NASA is ready to set sail in orbit, using photons from the Sun to propel its way to higher altitudes. The Advanced Composite Solar Sail System (ACS3) is scheduled for launch on Tuesday during a launch window that opens at 6 p.m. ET. The mission will lift off on board…
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Who is Australia’s First Astronaut?
The first certified Australian astronaut has been named, but there were technically some Aussies in space before her.
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Yeah, That’s a Freakin’ Lava Lake on a Moon
Two recent flybys of Jupiter’s moon Io by NASA’s Juno spacecraft revealed a couple of stunning surprises: a remarkably steep mountain and islands in the middle of a burbling lava lake. The new findings were announced yesterday by Scott Bolton, the principal investigator of the Juno mission, at the European Geophysical Union’s General Assembly. “Io…
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Dog-Powered Machines Were Surprisingly Common in the 19th Century
Ever since dogs were first domesticated about 18,000 years ago, they’ve often had jobs to earn their keep. Today, some dogs are used to herd sheep while others help hunters track and flush out game. And, believe it or not, dogs were sometimes used historically to power machines in private homes and factories. Dog-powered machines…