New optical technologies have revolutionized ... On the ground, it is not diffraction that limits the spatial resolution of a telescope, but turbulence in the atmosphere blurring the image.

Our guide to the best smart telescopes that will help you observe and capture images of the cosmos with just a tap of your ...

Curious about what planets look like through a telescope? This guide breaks down what you’ll see based on your telescope’s ...

In 1873, the German physicist Ernst Abbe realized that the resolution of optical imaging instruments, including telescopes and microscopes, is fundamentally limited by the diffraction of light.

Telescopes Allow Visual Time Travel . It may sound like science fiction, but I'm not exaggerating when I say that telescopes ...

NASA and the European Space Agency (ESA) just released a stunning image of the NGC 346 star cluster from the Hubble Space ...

The Large UV/Optical/IR Surveyor (LUVOIR) telescope has been imagined as a habitable planet hunter, but it could be so much ...

SPHEREx's first images — containing roughly 100,000 points of light stars, galaxies and nebulae — have confirmed that the ...

Get closer to our solar companions with the best telescopes for seeing planets, just in time for April's full moon and a stunning view of Mercury. Want to focus your stargazing on our cosmic ...

Telescopes are devices used to observe the universe. There are many different types and some are even sited in space. Optical telescopes close optical telescopeA device used to see distant objects ...

Optical instruments are how we see the world, from corrective eyewear to medical endoscopes to cell phone cameras to orbiting telescopes. The first order optical system design covered in the previous ...

This new composite image combining observations from NASA's James Webb Space Telescope's NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) provides a high-resolution view to explore the ...