NASA tests deep space J-2X rocket engine

(PhysOrg.com) -- NASA conducted a 40-second test of the J-2X rocket engine Sept. 28, the most recent in a series of tests of the next-generation engine selected as part of the Space Launch System architecture that will once ...

Cassini finds Enceladus is a powerhouse

(PhysOrg.com) -- Heat output from the south polar region of Saturn's moon Enceladus is much greater than was previously thought possible, according to a new analysis of data collected by NASA's Cassini spacecraft. The study ...

NASA Mars research helps find buried water on Earth

A NASA-led team has used radar sounding technology developed to explore the subsurface of Mars to create high-resolution maps of freshwater aquifers buried deep beneath an Earth desert, in the first use of airborne sounding ...

Opportunity rover rolling again after fifth Mars winter

(Phys.org) -- With its daily supply of solar energy increasing, NASA's durable Mars Exploration Rover Opportunity has driven off the sunward-tilted outcrop, called Greeley Haven, where it worked during its fifth Martian winter.

The 'Eye of Sauron'

(PhysOrg.com) -- Spiral galaxy NGC 4151 is dubbed the "Eye of Sauron" for its similarity to the malevolent eye in "The Lord of the Rings."

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