DNA building blocks could have originated in space

Researchers at NASA have uncovered new evidence that DNA components found in meteorites were probably created in space.
Dr. Michael Callahan of NASA’s Goddard Space Flight Center, Greenbelt, Md. and colleagues closely analyzed samples from 12 different carbon-rich meteorites, 9 of which were recovered from Antarctica. They used a liquid chromatograph …

Endeavour and the ISS as you’ve never seen them before

A few days ago, Expedition 27 came back from the ISS on board the Soyuz TMA-20 spacecraft. One of the crew members, flight engineer Paolo Nespoli (the others were Commander Dmitri Kondratyev and flight engineer Cady Coleman) had the occasion to take unique pictures of Endeavour docked to the ISS. …

What if spacetime is timeless?

Time is everywhere in our lives, and its concept is deeply rooted in our existence. You know how old you are, how long a day is, or how long it will take you to go from one place to another. Time, in our everyday life is simply the way we …

Space diving – Jumping from the edge of space

Space diving, or falling from space into the Earth’s atmosphere before parachuting to a landing… The idea sounds crazy. Although it remains theoretical, a bit more than 50 years, a man jumped from a very, very high altitude. Since then, nobody has ever jumped from anywhere higher.
Joseph Kittinger, a former …

Space Oddities

After the Top 10 Astronomy pictures of 2010, here is a selection of unusual objects populating our Universe. You will find after the video a detailed description of each picture, as well as a poll asking you about your favorite!

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