Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

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

Save on telescopes, binoculars and monoculars with our last-minute deal round up, but you'll have to be fast if you want them ...

I've taken incredible photos of this interstellar comet for more than a month using two tiny iPad-connected scopes in my ...

The James Webb Space Telescope has been helping scientists explore the cosmos for years now, but there are still plenty of ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope ...

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

With new technologies comes new discoveries. Or so Spider Man's Uncle Ben might have said if he was an astronomer. Or a ...

Rochester Institute of Technology astrophysicist Jeyhan Kartaltepe will be one of the first scientists to use NASA’s James Webb Space Telescope soon after it launches in spring 2019. The Webb ...

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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...