The Methuselah Star, also known asHD 140283, has long been a subject of fascination among astronomers. Its age, initially ...

He led a team of scientists who helped confirm that a Big Bang was the source of the universe. The discovery earned him a ...

This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

The scientific study of cosmology, the field that focuses on the origins and evolution of the universe, is barely a century old. It has already been transformed more than once by new ideas, new ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

Korean astronomers have presented research that challenges the prevailing theory of an ever-accelerating cosmic expansion, ...

The Atacama Cosmology Telescope is a collaborative project led by Penn and Princeton researchers (Photo Courtesy of ACT Collaboration). The Atacama Cosmology Telescope — a National Science ...