A space-based telescope has captured new images of the sun that showcase one of our star's fiery outbursts — and Mercury is ...

This composite image of the Sun combines high-energy X-ray data from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). On December 6, 2010, a lengthy solar filament, which had been winding around ...

SOHO's EIT (Extreme ultraviolet Imaging Telescope) images the solar atmosphere at several wavelengths and, therefore, shows solar material at different temperatures. In the images taken at 304 ...

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 ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ultraviolet light before a solar flare, which could act as an early warning system ...

“When the sun rose the morning of the eclipse ... Callahan/The Boston Globe via Getty Images) A total solar eclipse in this region won’t recur until just after sunrise on May 1, 2079, when ...