You’re probably aware that most of the matter of the Universe is “dark matter,” and astronomers still don’t know what it is. But 75% of the regular matter in the

Black holes can accumulate planets and stars’ worth of material, but even they have their limits. Astronomers have discovered a supermassive black hole which has reached that limit. Excess material

The Vera C. Rubin is a game changing observatory that we’ve been keeping our eyes on. When it goes online, it’ll begin a 10 year survey of the southern sky,

If our Solar System seems stable, it’s because our short lifespans make it seem that way. Earth revolves, night follows day, the Moon moves through light and shadow, and the

In 1912, astronomer Victor Hess discovered strange, high-energy particles called “cosmic rays.” Since then, researchers have hunted for their birthplaces. Today, we know about some of the cosmic ray “launch