Long before telescopes and space travel, ancient civilizations had incredibly creative ideas about what the universe looked like and how it worked. These beliefs shaped culture, religion, and even ...

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

From the vastness of galaxies to the enigma of dark matter, cosmology reveals the boundless nature of the universe ...

Our best observations can't come up with a single answer for how quickly the universe is expanding. Maybe that's because our galaxy is at the center of a giant void. When you purchase through links on ...