Astronomers are pulling back the curtain on two of the universe’s biggest mysteries: how planets are born and how invisible ...

Astronomy isn’t just about distant stars; it’s also about the human effort here on Earth that makes it possible to extend our ...

The interstellar comet 3I/ATLAS, a rare visitor from outside the Solar System, might have been spewing gases for months ...

"It's an elegant answer, really, because we thought it was a tiny galaxy full of many separate cold stars, but it's actually, ...

Finding another Earth is the holy grail of modern astronomy. NASA’s upcoming Habitable Worlds Observatory (HWO) is ...

The world’s largest space telescope, comprising thousands of antennae in the southern hemisphere, will generate massive amounts of data — some of which will be processed in Canada.

CAPE CANAVERAL, Fla. (AP) — Telescope observations reveal a growing tail on the comet that’s visiting from another star. Released Thursday, the pictures taken by the Gemini South telescope in Chile ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. This image composed from multiple exposures and ...

The RC telescope uses two hyperbolic mirrors. Primary Mirror: The primary mirror is a concave hyperboloid that collects and focuses incoming light toward the secondary mirror. Secondary Mirror: The ...

In my opinion, the Bahtinov mask is one of the most useful inventions for astrophotography. The traditional use of a Bahtinov mask is for focusing a telescope only and is not used for collimation of ...

Got a budget Newtonian telescope? Learn the top secrets and upgrades that can transform your cheap Newt into a powerhouse for astrophotography. From collimation tips to camera choices, we cover ...