The Milky Way's Mass is Much Lower Than We Thought

Watch the glow of the Milky Way and ghostly zodiacal light during the 2023 Perseid meteor shower (video)

Right before exploding, this star puffed out a sun's worth of mass

Hubble Telescope Snaps Jaw-Dropping Image Of 'Sombrero Galaxy' That Has A Mass Of Equal To '800 Billion Suns'