At the beginning of the 19th century, a group of European astronomers came together to form an association without precedent in the history of astronomy. Informally known as the Celestial Police (in ...

Discover how astronomers use stellar parallax to navigate spacecraft in deep space without relying on Earth-based beacons.

ESA's Gaia mission ends its tenure—creating the most comprehensive and precise 3D map of Milky Way Galaxy In March 2025, the Gaia mission stopped collecting data from space. The influence of this ...

The bright star in the center, Fomalhaut, is surrounded by an ancient debris disk of uneven brightness. The disk is closer to the star in the south, where the disk is wider and fainter, and further ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

A handful of U.S. states could catch a glimpse of the aurora borealis over the weekend, as a result of geomagnetic storms Getty The northern lights will light up the night sky on Friday, Sept. 5, and ...

PEAK is a game of survival and teamwork in harsh conditions, so naturally there is a badge available focused exclusively on staring at the desert sun. It isn't especially hard to get, but it's easy to ...

A full moon, nicknamed the "Corn Moon," is slated for Sunday, Sept. 7, but there are several other astronomy events to keep in mind for the month. The planet Saturn will be at its biggest and ...

The planetary nebula NGC 6781, located in the constellation Aquila, is observable near Delta Aquilae and possesses a magnitude of 11.4 and an apparent diameter of 109 arcseconds. NGC 6781 is ...

Comet 3I/ATLAS is just the third observed interstellar object ever witnessed in Earth's solar system. The Gemini South telescope in Chile is the latest observatory to get a glimpse of the object as it ...