For a quarter century, cosmology has rested on a simple but audacious idea: that a fixed “cosmological constant” drives the ...

Researchers in Germany argue that a modified theory of gravity could explain universal expansion, removing dark energy from ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

For the past few years, a series of controversies have rocked the well-established field of cosmology. In a nutshell, the predictions of the standard model of the universe appear to be at odds with ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If you want to know how something in the Universe works, all you need ...

For the past few years, a series of controversies have rocked the well-established field of cosmology. In a nutshell, the predictions of the standard model of the universe appear to be at odds with ...

Something appears amiss in cosmology. A tension has arisen from attempts to measure the universe’s current expansion rate, known as the Hubble constant. Large international teams have used two general ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

The cracks in cosmology were supposed to take a while to appear. But when the James Webb Space Telescope (JWST) opened its lens last spring, extremely distant yet very bright galaxies immediately ...

Cosmologists have found a way to double the accuracy of measuring distances to supernova explosions - one of their tried-and-true tools for studying the mysterious dark energy that is making the ...