A new study challenges the traditional interpretation of the cosmic microwave background, this fossil light from the Big Bang. Researchers from the universities of Bonn, Prague, and Nanjing propose a ...

Astronomers have discovered the largest and most ancient radio jet ever detected, emitted by a quasar from when the universe ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's first few hundred thousand years are shrouded in an impenetrable fog.

"This shocking result means that we now need to revisit the very foundations of everything we know about cosmology," said the reseachers.

Scientists have long puzzled over a discrepancy in how fast the universe is expanding, but new, sharper data from the James Webb Space Telescope may finally be solving the mystery. By refining ...

Team led by UChicago scientist Wendy Freedman using James Webb Space Telescope finds no evidence of tension in Hubble ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

For years, scientists have puzzled over a strange mismatch in how fast the universe seems to be expanding. Depending on ...

For 75 years, scientists have consistently pondered the Fermi Paradox, which asks why we don’t hear from other civilizations ...

The photos show light, dark and the polarization of light—background radiation known as the cosmic microwave background, and details the movement of hydrogen and helium gas at the beginning of ...

Researchers have an explanation for how dark matter emerged - beginning with weightless particles and ending with massive ...

Dartmouth researchers propose a novel theory suggesting dark matter originated from high-energy, massless particles in the ...