27 August 2008, 07:00 AM ET
The NSF is looking to tiny satellites for big science in space.
18 August 2008, 06:35 AM ET
A changing magnetic field could expose satellites to damaging radiation storms.
11 August 2008, 06:56 AM ET
Scientists have suggested that possible microbial life could be transferred from Venus' clouds to Earth.
24 July 2008, 02:01 PM ET
A NASA mission has solved the 30-year riddle behind Earth's most dazzling auroras.
11 July 2008, 09:38 AM ET
The current lull in activity is in line with historical norms.
10 July 2008, 06:34 AM ET
Could aliens be tuning into the most powerful radio transmitter on Earth?
03 July 2008, 02:03 PM ET
First MESSENGER flyby confirms volcanism, gives data on Mercury's magnetic field.
02 July 2008, 01:16 PM ET
Voyager examines energy and magnetic forces at the solar system's edge.
18 June 2008, 06:57 AM ET
When solar flares erupt, GPS satellites get affected by space weather.
11 June 2008, 09:28 AM ET
Current sunspot downtime unlikely to lead to new ice age.
23 April 2008, 07:00 AM ET
A solar sail could start space tests in three years.
18 April 2008, 01:18 PM ET
Astronomers have found the source of powerful starquakes on the sun.
08 April 2008, 06:44 AM ET
Astronomers find the source of the slow solar wind.
04 April 2008, 04:36 PM ET
Venus Express searches for active Venusian volcanoes.
01 April 2008, 07:01 PM ET
Astronomers image solar tsunamis, find source of solar wind.
26 March 2008, 11:54 AM ET
New sunspot groups appeared this week, and are all growing rapidly.
17 March 2008, 12:30 PM ET
Glowing spots on Jupiter created by electron beams around Io.
14 March 2008, 01:42 AM ET
Mars's and Venus's atmospheres are surprisingly similar.
03 March 2008, 05:47 AM ET
Telescope detects X-rays from stellar wind collision of binary stars.
25 February 2008, 05:38 PM ET
NASA spacecraft tracks auroral substorms.
06 February 2008, 06:43 AM ET
Discoveries about magnetic reconnection in space could unlock fusion power.
22 January 2008, 06:04 AM ET
Magnetic waves act as energy conveyor for sun's atmosphere.
03 January 2008, 02:00 PM ET
Comet particles likely formed very close to the sun.
17 December 2007, 10:09 AM ET
The sun's next cycle of increased activity might have begun last week.
10 December 2007, 01:14 PM ET
NASA's Voyager 2 confirmed our solar system is squashed.
30 October 2007, 06:14 AM ET
Balloon observatories are a nice compromise between space- and ground-based telescopes.
23 October 2007, 06:50 AM ET
Full maps of plasma bubbles around Earth have been mapped.
22 October 2007, 06:34 AM ET
The sun still holds back many secrets from science.
15 October 2007, 06:53 AM ET
Contribution of Jovian moon's volcanoes to its atmosphere determined.
09 October 2007, 10:38 AM ET
Brief fly-by of New Horizons spacecraft captures an unusually calm Jupiter.
09 October 2007, 10:32 AM ET
New Horizons is providing new insight about Jupiter's magnetosphere.
01 October 2007, 02:28 PM ET
NASA satellites show coronal mass ejection disconnecting tail from comet.
19 September 2007, 12:34 PM ET
NASA scientists capture strange sunspot activity on magnetogram.
22 August 2007, 08:46 PM ET
A new study supports the idea that martian water might have been blown away by solar wind.
15 August 2007, 06:11 AM ET
A new proposed instrument will measure solar ultraviolet radiation without any optic equipment.
02 August 2007, 02:00 PM ET
A bright arc could be the source of Saturn's mysterious G-ring.