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

To do that, humans have built some of the most spectacular astronomical observatories around the world, capable of peering into the vast void of space and capturing images that astound. The James Webb ...

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 ...

Here's where the James Webb Space Telescope comes in. Its advanced technology, including its large mirror and suite of ...

Let's celebrate April first as "Healthy Skepticism Day", especially with fantastical astronomy stories and images online ...

NASA's SPHEREx (short for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) has ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Uncover the insights gained from the Webb telescope about early galaxies and their role in illuminating the universe.

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Astronomers have found early evidence of the Universe’s transformation from a foggy, opaque state to a transparent one, ...

NASA's SPHEREx, which will map millions of galaxies across the entire sky, captured one of its first exposures March 27. The ...

Jupiter’s striking size, swirling gases, and dramatic bands in its atmosphere set it apart from every other planet. One of ...