Gravity Probe B confirms two Einstein theories

(PhysOrg.com) -- Stanford and NASA researchers have confirmed two predictions of Albert Einstein's general theory of relativity, concluding one of the space agency's longest-running projects.

Competitor fears Musk's SpaceX could 'monopolise' space

The launching of thousands of satellites into low Earth orbit by tech billionaire Elon Musk's SpaceX threatens the "de-facto monopolisation" of space, the head of competitor Arianespace Stephane Israel has warned.

Arctic ice cover hits historic low: scientists

The area covered by Arctic sea ice reached its lowest point this week since the start of satellite observations in 1972, German researchers announced on Saturday.

Tohoku tsunami created icebergs in Antarctica

A NASA scientist and her colleagues were able to observe for the first time the power of an earthquake and tsunami to break off large icebergs a hemisphere away.

Is global warming causing harsher winters?

Millions of people in northern Europe are still battling snow and ice, wondering why they are being punished with bitter cold when—officially—spring has arrived and Earth is in the grip of global warming.

Arctic sea ice reaches lowest extent ever recorded (Update 2)

(Phys.org)—The blanket of sea ice floating on the Arctic Ocean melted to its lowest extent ever recorded since satellites began measuring it in 1979, according to the University of Colorado Boulder's National Snow and Ice ...

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