SPHEREx's new images — containing roughly 100,000 points of light stars, galaxies and nebulae — have confirmed that the ...

A NASA space telescope on a mission to map millions of galaxies has turned on its detectors for the first time, capturing ...

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

An analysis of two decades of data from NASA's Hubble Space Telescope has provided fresh insights into the complex ...

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of ...

Hints of auroras were first faintly detected in ultraviolet light during a flyby of the Voyager 2 spacecraft in 1989. Webb ...

Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an ...

On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut ...

NASA has put its recently launched SPHEREx space telescope into operation. The scientific mission is due to begin at the end ...

We're back! A long-time reader and subscriber recently mentioned in the Ars Forums that they "kind of" missed the Daily Telescope posts that I used to write in 2023 and 2024. Although I would have ...