ESA's Cluster satellites in closest-ever 'dance in space'

(Phys.org) —Since 2000, the four identical satellites of the Cluster quartet have been probing Earth's magnetosphere in three dimensions. This week, two of them made their closest-ever approach, just 4 km, enabling valuable ...

Image: Two moons passing in the night

(Phys.org) —The Saturn moons Mimas and Pandora remind us of how different they are when they appear together, as in this image taken by NASA's Cassini spacecraft. Pandora's small size means that it lacks sufficient gravity ...

Goodbye Herschel: Closing views of an icon

(Phys.org) —This tiny dot against the streaking star field is one of the last views that ground-based observers will see of ESA's iconic Herschel space observatory.

Final curtain for Europe's deep-space telescope

The deep-space telescope Herschel took its final bow on Monday, climaxing a successful four-year mission to observe the birth of stars and galaxies, the European Space Agency (ESA) said.

Valuing versatility

It's often said that we live in an age of increased specialization: physicians who treat just one ailment, scholars who study just one period, network administrators who know just one operating system.

Curiosity resumes science investigations

NASA's Mars rover Curiosity has resumed science investigations after recovery from a computer glitch that prompted the engineers to switch the rover to a redundant main computer on Feb. 28.

Twitter buys firm tracking social network TV talk

Twitter announced Tuesday that it has bought Bluefin Labs to ride the trend of viewers using smartphones or tablet computers to chat at social networks about shows they are watching.

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