Unexpected, Bright Hydrogen Emission Caught Astronomers by Surprise In the early universe, space was filled with a dense fog of neutral hydrogen gas. Although the first stars and galaxies gave off ...

Webb has filled in many gaps left by Voyager 2, the only spacecraft to visit the planet. In 2022, the telescope captured ...

Astronomers have identified a bright hydrogen emission from a galaxy in the very early universe. The surprise finding is ...

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an ...

"It was so stunning to not just see the auroras, but the detail and clarity of the signature really shocked me." ...

"We report the discovery of one of the most distant galaxies known to date," astrophysicist Joris Witstok told Newsweek.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

Webb’s exquisite details reveal a chance, random alignment of a protostellar outflow and a distant spiral galaxy. When we ...

The James Webb and Hubble space telescopes have captured Neptune’s auroras for the first time, revealing the planet’s ...

The European Space Agency’s Euclid space mission has detected 26 million galaxies, some as far away as 10.5 billion ...

Euclid, launched from Florida in 2023 on a planned six-year mission, is an orbiting observatory gathering data on how the ...