Counting penguins from space

A new study using satellite mapping technology reveals there are twice as many emperor penguins in Antarctica than was previously thought. The results provide an important benchmark for monitoring the impact of environmental ...

NASA seeks new ideas for Mars missions

The US space agency said Friday it is seeking fresh ideas for robotic missions to explore Mars, after budget cuts nixed a planned partnership with the European space agency.

Hubble sees Messier 70: Tight and bright

(Phys.org) -- In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the compact center of Messier 70, a globular cluster. Quarters are always tight in globular clusters, where the mutual hold of ...

Swift satellite monitors departing Comet Garradd

(Phys.org) -- An outbound comet that provided a nice show for skywatchers late last year is the target of an ongoing investigation by NASA's Swift satellite. Formally designated C/2009 P1 (Garradd), the unusually dust-rich ...

Smartphones bridge US digital divide

Smartphones are bridging a US digital divide as minorities tap into the Internet using mobile devices, according to a Pew study released on Friday.

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