Liftoff of the Long March 3B, like a similar launcher shown here, occurred at 4:50 a.m. Beijing Time April 30, carrying the 12th and 13th satellites for the Beidou global navigation system. Photo Credit: Xichang Satellite Launch Center.
In an unusual move China has launched two Beidou navigation satellites on the same Long March […]
This is a collage of the final three shuttle missions.
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Tectonically Active Planet Mercury
New NASA-funded research suggests that Mercury is contracting even today, joining Earth as a tectonically active planet. Images obtained by NASA’s MESSENGER spacecraft reveal previously undetected small fault scarps— cliff-like landforms that resemble stair steps. Read More