How much biomass grows in the savannah?

Savannahs form one of the largest habitats in the world, covering around one-fifth of the Earth's land area. They are mainly to be found in sub-Saharan Africa. Savannahs are home not only to unique wildlife, including the ...

Altimeter built at Goddard helped identify ice on Mercury

A Goddard-built instrument on NASA's MESSENGER mission provided one of three new lines of evidence that water ice exists near the north pole of Mercury. Most of the ice is covered by a thin layer of material that blankets ...

Tests under way on the sunshield for James Webb telescope

(Phys.org) -- NASA is testing an element of the sunshield that will protect the James Webb Space Telescope's mirrors and instruments during its mission to observe the most distant objects in the universe.

Greenland's current loss of ice mass

The Greenland ice sheet continues to lose mass and thus contributes at about 0.7 millimeters per year to the currently observed sea level change of about 3 mm per year. This trend increases each year by a further 0.07 millimeters ...

Image: Astronaut tests SAFER backpack

(PhysOrg.com) -- Astronaut Mark Lee tests the new backpack called Simplified Aid for EVA Rescue (SAFER), a system designed for use in the event a crew member becomes untethered while conducting an EVA.

Tests under way on the sunshield for Webb telescope

NASA is testing an element of the sunshield that will protect the James Webb Space Telescope's mirrors and instruments during its mission to observe the most distant objects in the universe.

Australian laser system to track space junk

An Australian company Tuesday said it had developed a laser tracking system that will stop chunks of space debris colliding with spacecraft and satellites in the Earth's orbit.

Engineers turn noise into vision

(PhysOrg.com) -- A new technique for revealing images of hidden objects may one day allow pilots to peer through fog and doctors to see more precisely into the human body without surgery.

Smarter cars are gaining traction (w/ Video)

(PhysOrg.com) -- Lives can depend on a vehicle's moment-by-moment traction. New European technology promises to make cars as good as experienced, alert drivers at sensing and adjusting to wet, snowy or icy roads.

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