Observations don’t match the predictions of the standard model—and it’s not just a fluke.

Here’s what you’ll learn when you read this story: However, nailing down the universe’s exact expansion rate (known as the Hubble constant, or H₀) hasn’t been easy. Today scientists rely on two ...

A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion ...

After more than a decade of development, NASA’s Nancy Grace Roman Space Telescope is entering final preparations for an early ...

The most precise measurement yet shows the Universe is expanding faster than expected, deepening the Hubble tension. The ...

The universe will reach the end of its life 33.3 billion years after the Big Bang, according to the new study. Given it is ...

The cosmological constant problem, or the vacuum catastrophe is a discrepency in the observed values of the vaccuum energy ...

The largest and most detailed 3D map of the universe ever created has been unveiled, bringing an end to a five-year-long scientific marathon.

Scientists are rethinking the universe’s deepest mysteries using numerical relativity, complex computer simulations of Einstein’s equations in extreme conditions. This method could help explore what ...

When The Big Bang Theory debuted in 2007, it was anchored on the idea that it was about lovable social outcasts. Sheldon, Leonard, Howard, and Raj were existing in their own bubbles and struggling to ...