The clash between the night sky and the infinite universe became known as Olber’s paradox, named after Heinrich Olber, an astronomer who popularized it in 1826.An early version of the modern ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

Is the universe really infinite? Astrophysicists explain. How we understand the wider cosmos from our tiny observable bubble of space. By Lauren Leffer. Published Apr 22, 2025 9:00 AM EDT.

The Big Bang may mark an end—not the start—of a previous universe's aeon. Penrose's theory sees the universe as an eternal ...

The Big Bang model begins with a point of infinite density where the laws of physics break down. This is a deep theoretical problem that suggests the beginning of the Universe is not fully understood, ...

Michigan's attorney general says authorities are investigating an online company that pledges to help people find their ...