NASA's mission to touch the sun launches soon
<p>Prof. Emeritus Eugene Parker discusses the Parker Solar Probe</p>

First images from the James Webb Space Telescope
<p>Photos: First Images from the James Webb Space Telescope</p>
Photo gallery
<p>Photos: Remembering Eugene Parker, 1927-2022</p>
The solar wind, explained
First proposed in the 1950s by UChicago physicist Eugene Parker, the solar wind is a flow of particles that comes off the sun at about one million miles an hour.