A new study uses solar occultation data from NASA's Cassini mission to better understand the composition, formation and other secrets of Saturn's rings.
Astronomers discovered and measured a super-fast jet, thought to be the result of 2 neutron stars colliding. The jet is moving at 99.97% the speed of light!
On the morning of October 23, 2022, the crescent moon points to Mercury near the horizon. Then on October 24, look for the moon near Mercury in the morning sky.
The NEOWISE space telescope has been taking all-sky images for 12 years, creating a movie of the sky that astronomers can use to watch the changing cosmos.