NASA

The XB-70 Valkyrie was much more than an exhibit at the National Museum of the US Air Force, Ohio. It was a unique concept turned to realty, pushing all the horizons of aeronautical engineering.

The recent snowstorms in the northeastern U.S. and a similar blizzard last year might make some doubt the climate is changing. The short answer is: no, and in fact some of the people who study climate predicted wetter winters - and more snow, at least for a while.

A sum up of top events that shaped United States in past decade (2000-2010). Part 2 covers 2004 to 2008 on weapons of mass destruction, Iraq, Bush second term, Hurricane Katrina, Housing bubble burst, and Barack Obama as the first Black president.

For the first time ever, NASA's Twitter followers are being invited to the agency's Ames Research Center in California on February 11 to get an insider's look at its planet-hunting Kepler spacecraft.

NASA awarded a 10-year information technology (IT) outsourcing contract to a unit of Hewlett Packard.

The Geostationary Operational Environmental Satellite captured some striking images of the winter storm that buried parts of the U.S. over the weekend.

A set of NASA images from the rover Opportunity have been used to make a film of an eclipse as seen from Mars.

Now, researchers have found that the era of first fast growth of the most massive black holes occurred when the universe was only about 1.2 billion years old - not two to four billion years old, as was previously believed.

Aerojet, a GenCorp company which provided spacecraft thrusters, is upbeat as spacecraft Voyager 1 has reached a point at the edge of our solar system where outward motion of solar wind is absent.

A lunar eclipse is set to appear for skywatchers in North and Central America around 2:00 am on Dec 21.

An international team of scientists studying remnants of an asteroid that crashed into the Nubian Desert found it had some of the same chemicals that are the building blocks of life on earth.

Scientists have found possible ice volcanoes on Saturn's moon Titan similar to those on Earth that spew molten rock.

After a 33-year journey, NASA's Voyager 1 spacecraft has reached the other edge of our solar system where there is no outward motion of solar wind.

The U.S. Navy has brought a concept that has long been a staple of science fiction closer to reality.

Brace yourselves to witness the most intense meteor shower next week as the Geminid shower, which peaks this year on December 13 and 14, promises to be the best celestial event of the year.

For the first time, a private company has successfully launched a spacecraft to orbit and returned it to Earth.

In less than a day after the successful launch of SpaceX's Falcon 9 commercial rocket and Dragon capsule on Wednesday, NASA's Glenn Research Center and the Northern Centre for Advanced Technology (NORCAT) of Canada are conducting tests that simulate the mining on Mars and the moon.

Wikileaks founder Julian Assange has told the Guardian newspaper that there are, indeed, some references to UFOs (Unidentified Flying Objects) that reamined a mystery.

The US Air Force's secret unmanned space shuttle X-37B landed at 1:16 a.m. Pacific time on Friday, concluding its more than 220-day experimental test mission. It was launched from Cape Canaveral Air Force Station, Fla., on April 22.

Yearly global emissions of anaesthetic agents can be compared with that of carbon dioxide emissions from one million cars or one coal-fired power plant, says a study.

Scientists found a form of bacteria that can use arsenic in its DNA, and uses the arsenic to metabolize and grow.