NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

For decades, scientists have wondered how the Sun’s outer atmosphere — the corona — burns millions of degrees hotter than its ...

Interstellar comet 3I/Atlas is set to reach its closest point to the sun Oct. 29. Here's what experts say as conspiracy ...

Scientists have spotted elusive "magnetic waves" in the sun's atmosphere that may explain why the sun's corona is much hotter ...

Scientists at the University of Hawai‘i have discovered why it “rains” on the Sun, revealing that changing elemental makeup drives the mysterious downpours of plasma. It rains on the Sun, and scientis ...

The image was taken by GOES-19, the newest in the Geostationary Operational Environmental Satellite series operated by NOAA.

The mystery of why the Sun’s outer atmosphere is far hotter than its surface has long puzzled scientists. The solar corona ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

At the edge of the heliosphere, the solar wind runs up against the interstellar medium, the gas, dust, and radiation in the ...

Scientists at the University of Hawaiʻi have discovered why it rains on the Sun. Solar rain, made of cooling plasma, forms ...

A young star 111 light-years away is behaving much like our early sun, blasting out eruptions that could have shaped the ...

NVIDIA is sending AI GPUs into outer space in collaboration with a company looking to solve the problem of energy-intensive ...