The structure is nearly 600 million light-years from Earth and is an early display of the nascent dark matter telescope's ...

Evidence suggests ancient civilizations, including the Greeks, may have had early optical knowledge and devices like ...

The Euclid space telescope brings the Einstein Ring into view. Check out the accidental discovery and what it looks like ...

The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

This telescope is super compact, measuring under seven inches long. It can slip into a bag or even a cup holder. It has a lens cap to keep it safe and a compass on top to make sure you don't get lost.

Telescopes don't come any smaller than the Dwarf 3, but does its portability come at the cost of image quality? Read the ...