When you look at the night sky, do you ever wonder what's going on out there? On a clear night with a dark sky, if moonlight doesn't wash it out, sometimes you can see the arc of the Milky Way. The ...

Less than a decade ago, there were about 2,000 operational satellites orbiting Earth. Today there are more than 15,000.

In recent decades, we've learned huge amounts about the universe and its history. The rapidly developing technology of telescopes—both on Earth and in space—has been a key part of this process, and ...

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. When you think of a telescope, you think of an enormous long ...

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While the unaided eye or binoculars can reveal much of the night sky, a telescope reveals so much more. Seeing Saturn’s rings or the Moon’s craters with your own eyes can be an “oh wow” moment.

For a century, amateur telescope makers have gathered at the Stellafane convention to celebrate their craft. Will the event last another 100 years? For a century, amateur telescope makers have ...

The Odyssey Pro Smart Telescope is among Unistellar’s smallest and lightest reflector-based systems. It makes viewing and capturing the night sky as simple as clicking a few buttons on your smartphone ...

A few months ago, I flew to Houston to visit a small startup called Lunar Resources, which aspires to build the largest telescope in the solar system—not on Earth but on the far side of the moon.

The first in a new class of space telescopes is on track to reach the launch pad in the early 2030s, NASA announced this week. The PRIMA mission will be the first of NASA’s Probe Explorers, a new line ...

Spotting Earth-like planets is nearly impossible with conventional telescopes, but researchers propose a bold fix: a rectangular design that can separate a planet’s faint glow from its blinding star.

Alan Dressler stared in awe at the line of Hubble telescopes stretching out in front of him. It took NASA two decades to design and build its own Hubble Space Telescope, which transformed our ...