An international team of astronomers recently made a major discovery using the James Webb Space Telescope (JWST). They ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

The discovery that the universe extends beyond the Milky Way galaxy was a pivotal moment in astronomy. In 1925, astronomer Edwin Hubble identified a Cepheid variable star, known as V1, in the ...

Astronomers have spied a monster radio jet in the distant universe that’s twice the width of the Milky Way galaxy. The ancient object formed when the universe was less than 10% of its current age of ...

An international research team led by scientists at Waseda University and Tohoku University has discovered an extraordinary quasar in the early universe that hosts one of the fastest-growing ...

This stunning image reveals a distant galaxy cluster teeming with energy: galaxies shine in visible light (white), ghostly red clouds unveil a newly discovered radio mini-halo—the most distant ever ...

ESO-VLT and ESA XMM-Newton together discover earliest massive cluster of galaxies known Combining observations with ESO’s Very Large Telescope and ESA’s XMM-Newton X-ray observatory, astronomers have ...

On the night of Oct. 5 to 6, 1923, Edwin Hubble discovered a new star — and revealed the utter vastness of the universe. Hubble was looking at the cosmos with the 100-inch Hooker telescope at the ...