The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor geomagnetic activity on Jan. 31. When you purchase through links on our site, ...

The sun's corona is beautiful to observe, but it is also its most sweltering region. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The solar ...

About 17 years ago, J. Martin Laming, an astrophysicist at the U.S. Naval Research Laboratory, theorized why the chemical composition of the Sun’s tenuous outermost layer differs from that lower down.

"This was a key objective of the mission and opens the way for us to study the solar wind's origin in unprecedented detail." When you purchase through links on our site, we may earn an affiliate ...

Learn what the first maps of the sun's atmospheric boundary reveal about solar wind and its escape into space. The sun keeps a tight rein on everything in the Solar System, but it isn’t always the ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A NASA spacecraft has skimmed through the sun's hellish atmosphere to discover a mysterious source of solar wind. Away from the sun, the solar wind is a sloshing spray of energetic plasma. But get ...

Parker Solar Probe reached "perihelion," the nearest point to the sun in its orbit, on Dec. 13, 2025. Credit: ASA / Johns Hopkins APL / Steve Gribben illustration A NASA spacecraft is making a close ...

A study from an international team led by researchers from Nagoya University in Japan and the University of New Hampshire in the United States has revealed the importance of the Earth’s upper ...

An astrophysicist theorized why the chemical composition of the Sun's tenuous outermost layer differs from that lower down. His theory has recently been validated by combined observations of the Sun's ...

The solar corona viewed in white light during the total solar eclipse on Aug. 21, 2017 from Mitchell, Oregon. The moon blocks out the central part of the Sun, allowing the tenuous outer regions to be ...