When we measure the rate at which the universe expands, our two answers don't match. One scientist says its because we're in a Hubble Bubble. Find out more. (4:00 min read)
Tag: Cosmic Microwave Background
Habitable Planets Orbiting Black Holes
Habitable planets orbiting a black hole are the setting for the Christoper Nolan film "Interstellar." Find out what scientists found when they considered the possibility in real life. (4:30 min read)
Primordial Universe Made of Strange Particles
The primordial universe was made of nothing but quarks and gluons for its first ten microseconds. Find out how tracing strange quarks helps solve the mystery of the Big Bang. (4:00 min read)