Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

The 24th day of the annual Space Telescope Advent Calendar features dozens of galaxies in a cluster, most appearing stretched ...

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on a mountain top. But a ...

The Discovery That Caught Researchers Off Guard Picture this. December 21, 2019, a regular night shift at the telescope array ...

The science behind Santa’s magical ability to traverse the world in one night to deliver toys and joy may always remain a mystery.

The science behind Santa’s magical ability to traverse the world in one night to deliver toys and joy may always remain a ...

Astronomers at the University of California, Santa Cruz, and UCLA will develop a next-generation instrument for detecting and ...

Interstellar object 3I/ATLAS will fly by Earth on December 19, 2025, and a few key details can help amateur observers spot the visitor in the sky ...

This rare interstellar visitor (C/2025 N1) is visible now! While too faint for the naked eye, amateur astronomers can easily ...

With construction complete, the telescope will now move into final testing. Following testing, Roman will be packaged and ...