A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

NASA's James Webb Space Telescope discovered the most distant active supermassive black hole to date. The black hole has the mass of 9 million suns. It existed just 570 million years after the Big ...

CNN — The James Webb Space Telescope has spied one of the earliest galaxies formed after the big bang, about 350 million years after the universe began. The galaxy, called GLASS-z12, and another ...

There is no shortage of ambition packed into the rocket that lifted off from French Guiana at lunchtime on Thursday. The celestial mission carries two space telescopes that aim to unravel the universe ...

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

The most amazing thing revealed by the James Webb telescope is that the furthest you look back in time there were already huge, mature, and fully formed galaxies. Big Bang astronomers are now stunned ...

The early Universe still holds many mysteries, and the James Webb Space Telescope may have made a discovery that would ...

A new space telescope will help scientists look back in time at the origin of our universe and the galaxies and planetary systems that have populated it ever since. The mission will further our ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang, suggesting the early universe may have had a stellar ...

The James Webb Space Telescope (JWST) has ticked a lot of boxes in the near year it’s been aloft. Fly safely to its appointed spot in space 1.6 million km (1 million mi.) from Earth? Check.

NASA's James Webb Space Telescope confirmed Earendel, the most distant star, shining just one billion years after the Big Bang. Gravitational lensing ...