In order to better understand these solar eruptions, NASA has launched twin spacecraftthe STEREO missionto photograph the sun, in high-definition 3D, and track its activity. In 3D Sun, a new IMAX ...

NASA intends to take an unprecedented 3D observation of the sun this month. In doing so, the agency hopes to understand why its outer atmosphere — the corona — is hotter than its surface, how does the ...