The Hubble tension is one of the most hotly debated discrepancies in all of astronomy. It centers around a number called the Hubble constant, which is functionally the rate at which our universe is ...

Our current cosmological model—known as lambda cold dark matter, or ΛCDM—relies on hypothesized dark energy to explain the ...

The big picture: Astronomers have observed something unusual in the data gathered by the Hubble Space Telescope: the universe seems to be expanding faster today than it was billions of years ago ...

Uncover the mystery of Omega Centauri: a stellar-mass black hole is responsible for the fast movement of nearly ten million ...

(Credit: NASA, ESA, CSA, STScI) Observatories like the Hubble Telescope and the James Webb Space Telescope offer humanity the power to see things farther away than ever before. When we look deeply ...

The universe has always intrigued scientists with its vastness and mystery. Decades ago, in the 1990s, physicists began ...

New data confirms Hubble's finding and refutes current theories of planet formation in the universe’s early days. Thanks to ...

Now, a group of scientists used Webb Space Telescope data to solve a mystery raised by a veteran ... In 2003, the Hubble Space Telescope detected what appeared to be the oldest known planet ...

Hubble and its fellow observatories give us an unprecedented, crystal-clear look at the far reaches of the cosmos. Explore these orbiting pioneers and learn what they've discovered. 3 min read The ...

The findings suggest that astronomers’ widely accepted cosmology models might be missing something—meaning the longstanding mystery known as the “Hubble tension” continues Margherita Bassi ...

The Hubble Space Telescope is nearing its 35th anniversary and skywatchers can celebrate the mighty telescope with a ...