A new explanation for why Jupiter's moon has splendid dunes

Scientists have long wondered how Jupiter's innermost moon, Io, has meandering ridges as grand as any that can be seen in movies like "Dune." Now, a Rutgers research study has provided a new explanation of how dunes can form ...

Hints of a volcanically active exomoon

A rocky extrasolar moon (exomoon) with bubbling lava may orbit a planet 550 light-years away from us. This is suggested by an international team of researchers led by the University of Bern on the basis of theoretical predictions ...

Mobile security: Android versus Apple

Smartphones are big business, prompting fierce competition between providers. One major concern for consumers is whether a smartphone will keep their private data safe from malicious programs. To date, however, little independent ...

NASA's Juno mission spots two Jovian moons

On Nov. 29, 2021, NASA's Juno mission completed its 38th close flyby of Jupiter. As the spacecraft sped low over the giant planet's cloud tops, its JunoCam instrument captured this look at two of Jupiter's largest moons.

NASA: Sector 33 app

Welcome to Sector 33! – A new air traffic control game for iOS and Android mobile devices.

Review: iPhone fingerprint sensor worth extra cost

Passcodes are such a pain that I've relaxed the security settings on my Android phone. I'm willing to forgo the extra safety, just so I'm asked to punch in the code less often. When I got my hands on Apple's new iPhone 5S, ...

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