NASA

An asteroid, the size of a house, will come dangerously close to the Earth's atmosphere but will zoom by harmlessly on Monday, astronomers said.

On Monday, a small asteroid is expected to just skirt by earth. An asteroid only comes this close about once every 6 years.

A small asteroid is expected to whiz by earth on Monday. It's about 16 feet to 65 feet wide. At its closest, it will be only 7,500 miles from the earth, a distance that's a little less than the diameter of the earth.

NASA has released some rare unseen pictures of the Sun from a new satellite designed to predict disruptive solar storms.

NASA has regained some moon dust, that was to be originally sold an auction house in St. Louis.

NASA spacecraft Atlantis is gearing up for the scheduled July 8 launch to the International Space Station.

The NASA Extreme Environment Mission Operations project (NEEMO) will send a set of diving crew to live in Aquarius underwater research laboratory located near Key Largo, Florida during October to test the equipment and operational concepts needed for exploration to near-Earth asteroids.

NASA spacecraft Atlantis is gearing up for the scheduled July 8 launch to the International Space Station. The STS-135 crew members climbed aboard the space shuttle for the countdown dress rehearsal.

NASA space shuttle Atlantis is getting ready for its targeted July 8 launch to the International Space Station, which will end the 30-year space shuttle program. The shuttle is expected to launch on July 8 at 11:26 am EDT.

NASA welcomed a pair of ‘spidernauts’ into space aboard its penultimate shuttle mission in May. How differently will spiders behave in space? This interesting investigation is part of a K-12 curriculum and students will be able to answer to such a question, when school is back in session.

The crew of the Atlantis shuttle is preparing for NASA's final space hustle flight. The event is set for July. The trip will last for 12 days, during which 8,000 pounds of spare parts will be delivered to the International Space Station.

If some distant galaxies, after being awake many billions of years, do feel tired you could hardly blame them. But if they were caught sleeping 12 billion light years without forming stars what will you do?

Endeavour leader Captain Mark Kelly and wife and Congresswoman Gabrielle Giffords will write a memoir which will throw light into the details of the remarkable recovery made by Giffords after she was shot y a gunman on January 8.

Arizona Rep. Gabrielle Giffords and her astronaut husband, Mark Kelly, have made a deal to write a memoir of their lives together, their publisher said on Tuesday.

Mark Kelly, the husband of Rep. Gabrielle Giffords, D-AZ, said Tuesday that he will be retiring from NASA after 25 years of working with the space agency.

Three weeks after landing the Space Shuttle Endeavour at the end of its final voyage, Captain Mark Kelly said he’ll be retiring from NASA and the U.S. Navy to be with his wife, U.S. Rep. Gabrielle Giffords, D-Arizona, as she recovers from gunshot wounds suffered in January, Reuters reported.

Mark Kelly is going to retire from NASA and focus on writing a memoir with his wife, Gabrielle Giffords, who was nearly killed in a well publicized homicide attempt earlier this year.

Mark Kelly, the astronaut and husband of recovering Rep. Gabrielle Giffords, announced his retirement from the Navy and NASA Tuesday saying he plans to focus on his wife's recovery and work with her to pen a memoir.

NASA's Voyager 1 spacecraft is about to leave the sun's territory to enter the inter-stellar space. NASA's twin spacecrafts Voyager 1 and Cassini reached edge of the solar system sooner than expected which means the boundary of solar system is smaller than what scientists had earlier speculated. Voyager 1's exit is expected to give astrophysicists new data accounts of life outside the solar system.

Summer Solstice is the day in a year when the Sun reaches its northernmost point in the planet Earth's sky. Find out more about summer and winter solstice.

TOP500 released the latest list of top ten most powerful, high-performance computers in the world at the 26th International Supercomputing Conference in Hamburg, Germany, on Monday.