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

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

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

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

The Dwarf 3 is great for astrophotography beginners, but it also has lots of useful tools for more experienced hobbyists.

Euclid space telescope sent some images back to Earth during an early testing phase. While reviewing the pictures, astronomer ...