The European Space Agency’s Solar Orbiter has gotten as close as anything we’ve sent to study our star on purpose, and the pictures it took last year were from less than 46 million miles away.

The European Space Agency (ESA) and NASA have released the first pictures and preliminary findings captured by the Solar Orbiter, including intriguing glimpses of “campfires” near the solar ...

Millions of people were expected to watch the event, which is the last time a total solar eclipse will be visible in the contiguous United States until 2044. Here are photos of the eclipse—and ...

This event marked the last opportunity to catch a total solar eclipse in the continental U.S. for approximately 20 years.

Trump administration initiatives to overhaul the Environmental Protection Agency, freeze $20 billion in so-called Green Bank ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

NASA’s PUNCH mission has officially come online, promising to transform our understanding of space weather. By capturing ...

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