New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a ...

The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from ...

New polarization maps from the Atacama Cosmology Telescope align with Planck’s results and confirm the lower early-universe ...

Razor-thin chain of 14 galaxies may be the biggest spinning structure yet ...

As the ‘Fast’ saga stalls, Diesel turns to a childhood classic, taking the toy adaptation genre in an unexpectedly emotional ...