Sun unleashes biggest flare ever recorded
Updated: Tue, Apr 3 5:39 PM ET (2139 GMT)
Originally Posted: Tue, Apr 3 11:06 AM ET (1506 GMT)
The most powerful solar flare ever recorded was detected late Monday, but astronomers said that it should not pose a major threat to the Earth....

Distant supernova confirms accelerating universe
Posted: Tue, Apr 3 1:36 AM ET (0536 GMT)
The most distant supernova yet discovered has provided new evidence that the universe is expanding at an accelerating rate, astronomers said Monday. The supernova, designated...

ISS crew says they'd welcome Tito aboard
Posted: Sat, Mar 31 1:40 PM ET (1840 GMT)
The three members of the Expedition Two crew aboard the International Space Station said Friday they would welcome California millionaire Dennis Tito if visits the...

Solar storms erupt from giant sunspot
Posted: Fri, Mar 30 2:33 PM ET (1933 GMT)
The largest sunspot region in a decade is generating storms that will have at least a modest effect on the Earth for the next several...

Jupiter's radiation belts stronger than expected
Posted: Thu, Mar 29 2:22 PM ET (1922 GMT)
Belts of charged particles surrounding Jupiter are more powerful than previously estimated, a finding that could spell trouble for future spacecraft missions to the giant...

Europe goes on a satellite shopping spree in America
Posted: Thu, Mar 29 11:35 AM ET (1635 GMT)
European companies announced Wednesday a number of deals to purchase American satellites and even entire satellite companies. The biggest of the deals, announced to coincide...

NASA announces new ISS, Hubble repair crews
Posted: Thu, Mar 29 11:09 AM ET (1609 GMT)
NASA this week announced assignments for four new International Space Station crews as well as astronauts that will fly a mission to upgrade the Hubble...

Inaugural GSLV launch scrubbed
Posted: Wed, Mar 28 9:54 AM ET (1454 GMT)
The first launch of a large new Indian rocket has been postponed indefinitely after a fire broke out seconds before liftoff Wednesday. The Geosynchronous Satellite...

ICO and Teledesic pull back from merger plans
Posted: Mon, Mar 26 11:04 AM ET (1604 GMT)
Satellite telecommunications companies Teledesic and New ICO have put off plans to merge, possibly permanently, according to regulatory filings earlier this month. The two companies...

The aftermath of Mir
Posted: Sat, Mar 24 1:04 PM ET (1804 GMT)
Although it has been more than a day since the Russian space station met its fate in a fiery reentry, news about the station continues...