Two bands of radiation called the Van Allen belts encircle Earth. After a May 2024 solar superstorm, two more showed up between those belts.

NASA's Solar Dynamics Observatory captured an X1.1-class solar flare in multiple wavelengths. See time-lapse footage of the ...

Full Snow Moon Photos! 🌕 Night sky tonight! "Flares are expected to happen in essentially all supermassive black holes, but our black hole is unique." ...

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the supermassive black hole at the center of the Milky Way.

"Even the strongest hurricanes in the solar system seem calm in comparison." ...