We're comparing four of Celestron's 10x42 binoculars to see which ones you should buy, and which you shouldn't.

Day 8 of the 2025 Space Telescope Advent Calendar: Sculpted by Stellar Winds. NGC 346 is a young star cluster about 200,000 light-years away, in the Small Magellanic Cloud. This image combines Hubble ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

Dave Eicher, Editor Emeritus of *Astronomy* magazine, advocates for the observation of a notable dark nebula. This observation is recommended for late evening, with instruments directed towards the ...

The James Webb Space Telescope's Near Infrared Camera (NIRCam) captured a massive stellar jet in the Sharpless 2-284 (Sh2-284) nebula. Credit: NASA, ESA, CSA, STScI, Y. Cheng (NAOJ), J. DePasquale ...

On Christmas Eve 1968, the Earth received a message from astronauts on a mission like no other - the first around the moon. NASA will return in 2026.

Today the globe is circled by thousands of active satellites—each prone to photobombing astronomers’ telescopes as an artificial star zipping across the night sky. Scientists working with ground-based ...

The ability of space-based telescopes to image the distant Universe could be in peril, according to new research investigating the impacts of light-pollution from future satellites. Streaks of ...

Satellites reflect sunlight, Earthshine, infrared and radio waves. A new NASA-led study shows that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from some ...

One of the reasons astronomers like to put telescopes in space is that the “seeing” is better. With no turbulent atmosphere in the way the stars shine steadily, rather than twinkling as they do when ...