09 September 2011, 12:29 PM ET
A list of frequently asked questions about space debris and falling space junk.
09 September 2011, 11:40 AM ET
NASA first mission dedicated entirely to understanding the chemistry and dynamics of the ozone layer was placed in orbit by Space Shuttle Discovery in 1991. UARS helped climate researchers understand the Earth's upper atmosphere.
07 September 2011, 02:09 PM ET
NASA will hold a briefing Friday to discuss the impending fall from space of the UARS satellite.
02 September 2011, 04:08 PM ET
Low-Earth orbit could be free of big pieces of space junk within 12 years.
05 August 2011, 03:48 PM ET
Altius' "Sticky Boom" could grab satellites at a distance and reel them in.
11 July 2011, 09:50 AM ET
A chunk of a Soviet-era satellite won't creep too close to the linked Atlantis and station.
10 July 2011, 05:18 PM ET
NASA is tracking a potentially threatening piece of space junk that could fly close to the space station and shuttle Atlantis.
01 July 2011, 11:29 PM ET
From the brightest object ever found to private space taxis, it was a busy week in space.
29 June 2011, 08:05 AM ET
More than 500,000 pieces of space junk bigger than a marble orbit Earth.
28 June 2011, 09:23 AM ET
The space junk flew by the space station at 8:08 a.m. EDT as the crew sheltered in a Soyuz.
26 May 2011, 06:23 AM ET
Spaceships and satellites can encounter stormy "seas" of debris, radiation and electromagnetic fields. Europe's space situation awareness program is anchoring new technologies and procedures to keep spacecraft afloat.
13 May 2011, 08:02 AM ET
The hazard of space debris is very real, so much so that DARPA has a report on how to deal with it.
09 May 2011, 08:17 AM ET
Experts are sounding the alarm about the threat of space junk in the near future.
26 April 2011, 06:34 PM ET
Skywatchers who have yet to spot NASA's NanoSail-D satellite, take heart -- the little spacecraft will be aloft for a few more months yet.
14 April 2011, 04:30 PM ET
Pentagon's swift telescopes watch out for the watchers.
05 April 2011, 06:06 PM ET
As the solar cycle ramps up, astronauts may well have more potentially dangerous encounters with space debris.
05 April 2011, 03:25 PM ET
NASA now says, debris from a Chinese weather satellite won't endanger the International Space Station crew today.
05 April 2011, 12:58 PM ET
A piece of an old Chinese satellite will pass the station this afternoon.
01 April 2011, 07:19 PM ET
A space traffic accident only begets more such accidents.
22 March 2011, 11:12 AM ET
Working together would prevent space debris collisions and misunderstandings between nations.
17 March 2011, 03:42 PM ET
Ground-based lasers may be the key to managing the space junk menace.
15 March 2011, 06:03 PM ET
Two satellite companies have announced a new deal to launch the first spacecraft to refuel other satellites in orbit.
10 March 2011, 10:55 AM ET
Hundreds of thousands of pieces of space junk clog the corridors of orbit around Earth.
02 February 2011, 10:16 AM ET
The upcoming official strategy for protecting the nation's space assets will likely have a military focus.
29 December 2010, 05:17 PM ET
Intelsat's "zombie" Galaxy 15 satellite that spent months adrift in orbit recently came back to life by resetting itself after an unprecedented malfunction.
23 December 2010, 11:44 AM ET
What began as a minor trash problem in space has now developed into a full-blown threat.
14 December 2010, 08:06 AM ET
The growing threat of space junk to satellites and spacecraft may need a federal Superfund solution, a new report finds.
12 August 2010, 11:59 AM ET
The Perseid meteor shower may dazzle skywatchers during its peak tonight, but it poses no threat to astronauts in space, NASA says.
03 August 2010, 03:16 PM ET
Scientists are working to identify which bits of orbital rubbish to pluck from the heavens first. But a new study suggests they're fighting an uphill battle.
29 July 2010, 12:29 PM ET
NASA is tracking a piece of Chinese space junk that is headed uncomfortably close to the International Space Station and may force the outpost's crew to take shelter in their Russian lifeboats as a precaution.
27 July 2010, 02:17 AM ET
Two Russian cosmonauts have accidentally lost a tool in space while spacewalking outside the International Space Station early Tuesday.
26 July 2010, 05:21 PM ET
The huge European satellite Envisat is possible the most dangerous piece of space debris circling the Earth for the next 150 years, experts say.
20 July 2010, 05:20 PM ET
Satellite fleet operator Intelsat has successfully negotiated the passage of its out-of-control Galaxy 15 satellite across the path of its Galaxy 13 spacecraft with no signal interruption for its customers.
13 July 2010, 06:15 PM ET
Dealing with space debris presents a thorny political issue that must be addressed, according to an international foundation's brief to the United Nations.
07 July 2010, 05:11 PM ET
The so-called Galaxy 15 zombie satellite that lost contact with ground controllers
on Earth in April is still adrift in space, with engineers keeping a close eye on
the wayward satellite as it approaches two other spacecraft this month.
16 June 2010, 07:05 AM ET
NASA is assessing the risk to spacecraft posed by the upcoming 2011 Draconid meteor shower, a seven-hour storm of space rocks that has the potential to ding major Earth-orbiting spacecraft.