Astronomy & Space news

Sumatra megaquake defied theory

The risks of Sumatra-style mega-quakes around the world have been sorely misjudged, say earth scientists who are re-examining some of the pre-December 2004 assumptions scientists made about such rare events.

Mar 28, 2006 4.5 / 5 (47) 0

Solar flare surprise

(PhysOrg.com) -- Solar flares are the most powerful explosions in the solar system. Packing a punch equal to a hundred million hydrogen bombs, they obliterate everything in their immediate vicinity. Not a ...

Dec 15, 2008 4.6 / 5 (45) 2