Stephen Hawking writes a tiny paper — and turns our understanding of black holes inside out — March 1, 1974March 1, 2026
Vampire stars, supervoids, cannibal galaxies. 29 of the most terrifying things in the UniverseMarch 1, 2026
I captured Jupiter last night and witnessed the transit of Callisto, one of its Galilean moons. Callisto against Jupiter’s swirling clouds on one side and the Great Red Spot on the other side. Celestron 11” SCT – ZWO ASI585 by Astro_HikerAZ