Over the next few centuries, telescopes evolved significantly. Isaac Newton introduced the reflecting telescope in 1668, which used mirrors instead of lenses to overcome chromatic aberration—a flaw in ...

All telescopes are mounted on a tripod. Although it’s often described as half a binocular, a monocular is essentially a miniature refracting telescope. It has a single eyepiece, like a telescope ...

However, in most cases, such an advertised magnification is well beyond the practical maximum magnification of the telescope. A 2.4-inch refracting telescope, for example, should never use more ...

Explore the night sky with the best telescopes to suit every budget and experience level, perfect for observing February's Snow Moon and spectacular planetary parade. February is a great time to ...

If you think that choosing the most powerful home telescope is just as simple as finding one with the highest magnification capability, then you’re wrong! There are many other key factors affecting a ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Straight Shot: Hubble Investigates Galaxy With Nine Rings Feb. 4, 2025 — NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine ...

The Subaru Telescope in Hawai‘i is adding a new instrument to its arsenal, one that will observe the cosmos through a compound eye. The compound eye will allow Subaru to observe about 2,400 ...

The best telescopes allow you to observe this month's full planetary parade more closely and give you a front-row seat to the total lunar eclipse in March. The best telescopes unlock the wonders ...

NASA's James Webb Space Telescope (JWST) has captured photos of one of the earliest supernovas ever seen, with features appearing like grains and knots found in a cut of wood. "Once upon a time ...

(M. Garlick/NOIRLab/NSF/AURA via AP) CAPE CANAVERAL, Fla. (AP) — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years of the ...