For decades after its discovery, observers could only see the solar chromosphere for a few fleeting moments: during a total solar eclipse, when a bright red glow ringed the Moon’s silhouette. More ...

A NASA probe has started its mission to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun, the space agency announced on Monday. The space ...

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Whether you’re thinking about the future of Mars and how to send humans there, or trying to understand its past and see how the planet became the way it is today, one particular feature is crucially ...

Tuesday (March 4) is shaping up to be a delightful day for space explorers, as not one but two major NASA missions are expected to take to the skies — and interestingly, though the spacecraft ...