The Dark Energy Spectroscopic Instrument (DESI) has successfully completed the largest high-resolution 3D map of the universe ...

Cyclic cosmology, or the big bounce, is the idea that the universe will eventually crunch back together and then go through ...

By studying galaxy clusters separated by hundreds of millions of light-years, Penn physicist Patricio Gallardo and ...

Dark matter is supposed to be everywhere, threaded through the Milky Way and outnumbering ordinary matter by a wide margin.

Generally speaking, black holes are regions of spacetime where matter is compressed into a tiny space. Dark matter, meanwhile ...

Physicists are preparing to test whether time itself can exist in a quantum superposition, using ultra-sensitive atomic clocks capable of detecting minute fluctuations. The proposed experiment could ...

In the era of precision cosmology, research often means big science: large observatories, highly complex instruments, ...

For a quarter century, cosmology has rested on a simple but audacious idea: that a fixed “cosmological constant” drives the universe’s accelerating expansion. Now a new wave of data is forcing ...

The Standard Model of Cosmology is wrong, which has created a crisis in Physics and Cosmology and necessitates a scientific revolution. This is not a claim made by this article, but is the emerging ...

HONOLULU, Feb. 13, 2026 / PRZen / Study suggests “invisible wedge” in distance measurements could impact Hubble Tension resolution: 512 simulations fail to match observed propagation anomaly.

This sketch is of the cosmic microwave background timeline of the universe in the Lambda Cold Dark Matter model. The accelerated expansion shown in the last third of the timeline represents the dark ...