Telescopes

Latest about Telescopes

Arecibo radio observatory shown in Species (1995)

Around the world in 80 telescopes: a space trivia quiz

By Kenna Hughes-Castleberry published

This quiz explores the world's most powerful telescopes and observatories — on Earth and beyond.

Astronomy
Lego Grogu, Celestron 15x70 binoculars, Fujifilm X-T5, Orzorz star projector and Unistellar Odyssey Pro on an orange planet background with a black Space.com Prime Day badge in the upper-left corner.

These are all of our favorite deals from Prime Day in October

By Harry Bennett, Alexander Cox published

Grab the best deals we have found across Lego, streaming, skywatching gear and cameras!

Skywatching Kit
A man with long hair looking at a smartphone in between the Unistellar Odyssey Pro and a window at night, with a black Space.com Prime Day deals badge in the upper-left corner.

I can see these Prime Day telescope deals are still active but they won't last forever

By Harry Bennett published

These are the best telescope deals I have seen for Amazon's Prime Day in October, with huge savings across our favorite models.

Skywatching Kit
Multiple space-related products that are on sale during amazon prime day 2024

Amazon Prime Day 2025: Last Day of Prime Day in October

By Jase Parnell-Brookes last updated

Deals It's the last day of Prime Day in October so make sure you don't miss out on big deals across skywatching, tech and Lego!

Deals
A man wearing a white jumpsuit and hair net and white gloves lays on a glass mirror and polishes it.

Polishing a telescope mirror to perfection | Space photo of the day for Oct. 6, 2025

By Kenna Hughes-Castleberry published

To keep the Very Large Telescope (VLT) at peak performance, ESO engineers carefully recoat its enormous mirrors.

Astronomy
An image of Venus' thick atmosphere captured by NASA's Mariner 10 mission.

Nearly invisible asteroids around Venus could threaten Earth — but don't worry, not for a while

By John Loeffler published

An unstable group of asteroids orbiting near Venus could threaten Earth — but not for a few thousand years

Asteroids
A large mountain is seen with a glowing windy road leading up it to two buildings at the top, with the rest of the rocky desert landscape all around and red streaks in the sky above.

Telescopes scan the skies over the Atacama Desert | Space photo of the day for Sept. 30, 2025

By Kenna Hughes-Castleberry published

A new image from NOIRLab shows telescopes on two Chilean peaks in the Atacama Desert.

Astronomy
An arch of rainbow colored lights, along with the Milky Way, appear in the night sky above a large rounded building and antenna disk in the snow.

South Pole Telescope beneath a rainbow of colors | Space photo of the day for Sept. 8, 2025

By Kenna Hughes-Castleberry published

A panorama captures a breathtaking view of the night sky above a frozen landscape.

Astronomy
Best telescopes under $500: Image shows man using telescope at night with blurred city lights in background

Best budget telescopes under $500 we recommend in 2025

By Jase Parnell-Brookes last updated

Deals We've rounded up the best budget telescopes under $500 so you can survey the night sky regardless of your budget.

Deals
Lights from the city of Moscow reflect off the clouds above, illuminating the night in a bright glow

Light pollution is encroaching on observatories around the globe – making it harder for astronomers to study the cosmos

By Richard Green published

The rate of human-produced light is increasing in the night sky by as much as 10% per year, making it difficult for astronomers to study the night sky.

Astronomy
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