A mysterious and intense X-ray source near the black hole shines onto the surface layers of the accretion disk, causing iron atoms to radiate characteristic emission -- what astronomers call the iron K line -- at about 6,000 to 7,000 electron volts. The inner part of the disk is orbiting the black h...

Music video by Elvis Presley & Martina McBride performing Blue Christmas. The video was edited in 2008 after recording Elvis daughter Martina's version of Blue Christmas.

This is a full-resolution version of the NASA Curiosity rover descent to Mars, taken by the MARDI descent imager. As of August 20, all but a dozen 1600x1200 frames have been uploaded from the rover, and those missing were interpolated using thumbnail data. The result was applied a heavy noise reduct...

Light as a source of energy is an expression of the existence and life. Light can be defined as that agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous. Sources of light include the sun, a star, a candle or a lighthouse. Lig...

Humans have been obsessed with eclipses for centuries. But, what can they actually teach us about our place in the solar system? Total solar eclipses have helped bring about some of the most important astronomic discoveries. Nicolaus Copernicus’ eclipse observations helped him determine that the Ear

“A level-adjusting function will allow the space-age-looking carriages, accessible to all users, to remain horizontal while speeding up the mountain at up to 10 metres a second. It is due to be opened by the Swiss president, Doris Leuthard, in the Alpine resort of Stoos, 1,300 metres (4,300ft) above

NASA announced that its Curiosity rover had discovered organic material—carbon containing molecules that are essential building blocks for life—within Gale Crater, a 3.5 billion-year-old bedrock that scientists believed might have held a lake. The Curiosity rover also confirmed signs of methane—the

Battle: Los Angeles
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Sarah Brightman & Andrea Bocelli - Time to Say Goodbye 1997. Poem by Edgar Allan Prieto:I'll go with you Sarah When I'm alone I dream of the horizon and words fail; yes, I know there is no light in a room where the sun is absent, if you are not here with me. At the windows show everyone my heart wh...

SUCCESS! With this mission, SpaceX’s Falcon 9 rocket deliverED 11 satellites to low-Earth orbit for ORBCOMM, a leading global provider of Machine-to-Machine communication and Internet of Things solutions. The ORBCOMM launched from Cape Canaveral Air Force Station, Fla. The 11 satellites were deplo