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Rising Solar Radiation Called Risk for Air Travelers and Astronauts

Scientists warn that change in solar activity will increase space radiation that could be hazardous to astronauts and airline passengers in the near future.

NASA Releases Spectacular Images from Near and Deep Space [PHOTOS]

From Earth's moon to supernovas in other galaxies, astounding images of space have been released recently from NASA expeditions.

NASA Satellite Debris Crashes into the Pacific

On Saturday, NASA's Upper Atmosphere Research Satellite (UARS) crash landed at approximately 12AM Eastern time. The location, NASA confirmed, is in a general area in the Southern hemisphere away from any major lands. To their knowledge, however, there have been no signs of UARS debris located in the predicted geographic region.

Doomed Satellite Landed in Pacific, NASA Says

Debris from a defunct six-tonne NASA science satellite that crashed to Earth on Saturday fell harmlessly in a remote area of the South Pacific Ocean, NASA said on Tuesday.

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Strange Object Found in India: Part of NASA's Satellite?

An unidentified object believed to have fallen from the sky was found in Indian state of Meghalaya on Tuesday. The mysterious object was recovered from a flower bed of St Edmund's College in Shillong.

NASA Says Defunct Satellite Fell into South Pacific

The dead NASA satellite plunged into the remote South Pacific Ocean, when it crashed to Earth last Saturday, said NASA on Tuesday.

Solar Storm Produced Particle that Can Expose Astronauts to Solar Radiation

Airline Passengers, Astronauts Exposed to Space Radiation

The strong solar storm that reached the Earth on Monday has shrouded our planet with cosmic rays and high-energy particles that can prove to be hazardous to astronauts and airline passengers in coming days, space scientists have warned.

NASA Laser System to Transmit Images, Videos from Space in a Minute

NASA will soon develop a new optical, laser-based communication system that will allow transmitting high-resolution images and videos from Mars and even from distances beyond Moon, in just one minute, which currently takes around 90 minutes.

Screenshot from Planet Hunter, (www.planethunters.org)

Citizen Scientists Discover Possible Earthlike Planets

Computer gamers have identified two possible Earthlike planets outside the solar system, while playing the browser game Planet Hunter, which lets the public get data from NASA's Kepler mission and public archives and pictures.

German Satellite Falling, Just Like NASA's: Where Will It Land?

Just days after NASA's Upper Atmosphere Research Satellite plunged into the Pacific Ocean, another satellite -- this one German -- is beginning its descent to Earth. And once again, nobody knows where it will land.

Scientists Learn New Secrets About Venus [PHOTOS]

Though the weather on Venus was thought to be 800 degrees Fahrenheit, with sulfuric acid clouds, NASA scientists were astonished when they noticed strange temperature variations occuring higher up in the planet's atmosphere during a routine study.

The Watery Grave of NASA's Rogue Satellite

NASA Locates Fallen UARS in the Pacific Ocean, Far from Land [MAP]

NASA on Tuesday announced that it has located the Upper Atmosphere Research Satellite (UARS) that crashed down to Earth last week. They say the defunct satellite is way out into the southern Pacific Ocean, far away from land. The UARS made a fiery re-entry into the Earth's shortly after midnight on Saturday.

Icy Comet Elenin Passes Close to Sun, Could be Falling Apart: Report [VIDEO]

In August, doomsday prophets speculated that icy comet Elenin would wreak havoc on Earth. Now new images from amateur Australian astronomer are showing a rapid dimming in Comet Elenin, leading some astronomers to believe that the comet may be falling apart.

NASA Pinpoints Fallen Satellite

After days of speculation, NASA officials announced Tuesday the location of the fallen Upper Atmosphere Research Satellite that crashed down to Earth.The Pacific Ocean - far away from landfall.

NASA’s Aquarius Map Helps Detect Climate Change

NASA's provides new ocean salinity maps from data collected by satellite Aquarius.

Solar flares continue to glance the Earth

Giant Sun Flare Continues to Affect Earth

A gigantic solar flare that erupted Saturday just won't quit and is forecasted to continue to dazzle sky watchers in Asia and Europe with aurora light shows Tuesday evening.

The International Space Station and the Docked Space Shuttle Endeavour

Astronauts Risk Vision Problems from Long Space Trips: NASA

Radiation and bone loss are not the only health risks that astronauts staying for long period of time in space are exposed to. A new study of astronauts has showed that astronauts who have spent months in space face the problem of blurring vision.

Solar Flare 2011: Huge Sun Storms Blast Earth, Could Interrupt GPS Signals, Radio Communications [VIDEO]

Particles that were blasted by the sun during a powerful solar flare on Saturday have reached Earth, which will illuminate the Northern Lights in some regions and may also interrupt radio and GPS signals.

Auroras to be Visible as Solar Storm Slams into Earth

A massive solar flare that erupted on the Sun over the weekend have crossed the solar system and hit the Earth's magnetic field at approximately 8:15 a.m. EDT (12:15 UT) on Sept. 26, according to NASA.

Where on Earth Did NASA Lose the Fallen Satellite?

A dead NASA Upper Atmosphere Research satellite fell on Earth on Saturday,k but it is not known where the crashed remains are.

NASA Satellite Makes Homecoming; But its Whereabouts May Remain Unknown Forever?

It flew for long 20 years and nine days, and when it made its homecoming, nobody knows its whereabouts. Almost six years after ceasing operation, the decommissioned NASA satellite finally landed somewhere on Earth, but even NASA doesn't know the exact landing location and may never know.

NASA: 26 UARS Components Could Have Fallen on Earth's Surface [VIDEOS]

NASA said 26 components of its Upper Atmosphere Research Satellite (UARS), weighing a total of 1,200 pounds, could have survived the fiery fall and landed on the surface of the Earth. The space agency said the UARS fell back to Earth between 11:23 p.m. EDT on Friday and 1:09 a.m. Saturday.

The seven-ton Upper Atmosphere Research Satellite (UARS) is deployed by the Space Shuttle Discovery (STS-48) in this NASA handout photo dated September 1991. NASA is expecting the satellite to re-enter Earth's atmosphere in late September or early October

NASA's 'Fallen' Angel: Satellite Quietly Down Without Hurting Anyone

Finally, NASA's falling angel, the 6 ton bus-sized Upper Atmosphere Research Satellite (UARS) plunged back to Earth on Saturday morning, said NASA. The defunct satellite is the biggest piece of space debris to fall from the sky since the Sky Lab in 1979.

NASA: UARS Satellite Debris May Never Be Found

NASA said UARS satellite debris that came crashing to Earth today appears to have dropped into the Pacific Ocean away from the western coast of the U.S. though the agency doesn't know exactly where it landed and may never know.

Neil Armstrong: NASA’s Current Condition ‘Embarrassing’ - Calls for New U.S. Commitment to Space Exploration

Neil Armstrong, the first man to walk on the moon and commander of Apollo 11, said the United States risks squandering 5 decades of space research, work, and accomplishments, if the nation does not find ways to restore hope and confidence in NASA, as part of a unified sense of purpose on space exploration.

Falling Satellite Hits Ocean, Location a Mystery: NASA

A 6-ton defunct NASA satellite has fallen back to Earth Saturday, but officials are not sure of the exact location of the debris that rained into the Pacific Ocean.