25 April 2013, 02:24 PM ET
Experts have estimated that there are 29,000 objects 10 cm or larger orbiting Earth. Only 7 percent are working satellites. The European Space Agency is looking at ways to mitigate the threat.
24 April 2013, 12:00 PM ET
The 6th European Conference on Space Debris is being held this week in Germany.
22 April 2013, 07:00 AM ET
Important cultural artifacts aren't restricted to our home planet, researchers say.
12 March 2013, 07:00 AM ET
It would likely be tough for Russia to prove its case in court, experts say.
09 March 2013, 08:50 AM ET
The January incident is the fourth known case of an active satellite being struck by orbital debris.
08 March 2013, 07:38 PM ET
A fragment of the Chinese Fengyun 1C weather satellite, destroyed on purpose in 2007,damaged the Russian nanosatellite BLITS on Jan. 22, 2013.
08 March 2013, 05:25 PM ET
The Russian nanosatellite was struck on Jan. 22 by space junk from China's 2007 anti-satellite weapon test.
08 March 2013, 05:21 PM ET
On Jan. 22, 2013 debris from a Chinese anti-satellite test collided with a Russian satellite called BLITS.
08 March 2013, 05:20 PM ET
The shootdown of the spy satellite USA-193 sparked talk about the graveyard of outer space, which is crowded with some 17,000 spent rocket stages, dead or dying satellites and countless crumbs of human-made orbital flotsam. An average of one object has re
08 March 2013, 05:00 PM ET
Millions of pieces of space junk swarm around the Earth.
08 March 2013, 05:00 PM ET
See our collection of space debris images and some far-out ideas to clean it up.
05 March 2013, 07:01 AM ET
A new proposal would establish a European space junk-surveillance program.
01 March 2013, 02:51 PM ET
The European Union is funding research and developing technology to remove debris from decommissioned satellites, launch 'left-overs', and collisions in space. This video looks at the EU's approach to collecting space junk.
01 March 2013, 02:20 PM ET
The proposed spacecraft could hop from one piece of junk to the next without burning much fuel.
31 January 2013, 06:30 AM ET
The Sunjammer will help test out technology that could be useful for space weather forecasting and interstellar travel.
28 January 2013, 07:01 AM ET
The Iridium-Cosmos crash and the Chinese anti-satellite test are still being felt.
25 January 2013, 01:39 PM ET
A new video serves as a progress report for DARPA's Phoenix program.
25 January 2013, 12:03 PM ET
A truly international approach to cleaning up space junk is desperately needed, experts say.
11 January 2013, 06:24 PM ET
The winners programmed testing satellites that maneuvered in the cabin of the International Space Station.
11 January 2013, 10:26 AM ET
The satellites spat dust clouds and maneuvered through space junk fields.
08 January 2013, 10:50 AM ET
China could be planning an anti-satellite test as soon as Jan. 11, analysts say.
07 January 2013, 06:00 AM ET
The space trash compactor could give new life to old water bottles, clothing, duct tape and other astronaut waste.
04 January 2013, 04:28 PM ET
The test could occur as early as next week, some experts say.
14 November 2012, 11:32 AM ET
DARPA's SpaceView project allows stargazers to report sightings through the SpaceView website.
05 November 2012, 12:38 PM ET
NASA and the Air Force are building a satellite just to obliterate it in the lab.
24 October 2012, 04:57 PM ET
No immediate risks to the International Space Station or other satellites have been identified.
08 October 2012, 12:09 PM ET
A satellite that's become a piece of space junk could become a liability for ESA.
06 October 2012, 08:17 PM ET
The space debris may mean it takes SpaceX's private Dragon space capsule longer to reach the station.
28 September 2012, 11:42 AM ET
An old Russian satellite fragment and Indian rocket body passed near the space station on Thursday and Friday.
26 September 2012, 03:35 PM ET
Pieces of an old Russian satellite and Indian rocket will pass near the space station on Thursday and Friday.
22 August 2012, 12:17 PM ET
Russian spacewalkers lofted a 21-inch-wide satellite - weighing 20lbs. - into orbit. It will be used as a tracking target for monitoring space junk. Veteran skywatcher Kevin Fetter caught a fly-by of the satellite over Ontario on August 20, 2012.
10 July 2012, 07:00 AM ET
Test your knowledge of the satellites around Earth in this quiz about our planet's artificial satellites.
25 June 2012, 11:35 AM ET
The U.S. military currently tracks roughly 22,000 pieces of debris in orbit.
11 May 2012, 06:45 AM ET
Envisat is roughly the size of a school bus.
09 May 2012, 10:48 AM ET
After 10 years in space, the giant satellite Envisat's mission is no more.
30 April 2012, 05:05 PM ET
SETI's Allen Telescope array will help track orbital debris