Telescopes orbiting Earth can peer billions of light-years into space to observe incredible phenomena across the cosmos.

Astronomers have catalogued billions of stars and hundreds of billions of galaxies. We have found thousands of planets ...

For centuries man has been gazing at the stars, noting various anomalies, admiring their beauty, and exploring the vast expanse. Telescopes are generally the tool of choice for stargazing, and even ...

Space-based telescopes are remarkable. Their view isn't obscured by the weather in our atmosphere, and so they can capture incredibly detailed images of the heavens. Unfortunately, they are quite ...

Overview Smart telescopes automate much of the process of finding, tracking, and imaging celestial objects, while traditional ...

On Aug. 15, the CTAO LST Collaboration and the MAGIC Collaboration released findings from observations of OP 313, the most distant very-high-energy blazar ever recorded. The paper, published in ...

Of all the objects that you can view through a telescope, some of the most stunning to behold are the planets in our solar system, and the galaxies that lie far beyond it. But if you want to see more ...

🛍️ Prime Big Deal Days: 50+ actually good deals 🛍️ By Stacey L. Nash Updated Dec 1, 2025 8:49 AM EST Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in ...

Imagine having a telescope that could see almost 14 billion years back in time to when the universe was just forming. There is a project underway called CMB-S4 that plans to build two next-generation ...

The first time a caveman looked up at the night sky, he dreamed of what the stars might look like up close. Alas, despite thousands of years of technological advancement, we still don't have the ...

Buying a telescope is a big step, especially if you’re not sure what all those terms — f/ratio, magnification, go-to — mean. So, to eliminate confusion and make sure you understand what you’re buying, ...

Gemini South on the summit of Cerro Pachón in Chile (left) and Gemini North on the summit of Maunakea in Hawai’i (right). Gemini / NSF / AURA Hackers have launched an apparent cyberattack on the ...