From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for ...

Measured in millimeters (mm) or inches (in.). The larger the objective size, the clearer image of the celestial objects that you want to see appears through your telescope. For naked eyes, the ...

NASA's Roman Space Telescope, slated for a 2027 launch, will provide insights into dark energy and exoplanets. It will undergo rigorous testing to ensure durability in space conditions.

An illustration of the James Webb Space Telescope as it orbits the sun in our solar system, 1 million miles from Earth. Credit: SA GSFC / CIL / Adriana Manrique Gutierrez The James Webb Space ...

Of all the mysteries that the massive James Webb Space Telescope has seen so far in the early universe, one of the strangest are objects that astronomers now call "little red dots." Like the ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the largest digital camera ever made. High atop Chile’s 2,700-meter Cerro ...

Find the best telescopes to unlock the wonders of the night sky and view lunar occultations, celestial conjunctions and planetary parades in January. The best telescope unlocks the wonders of the ...

Formerly the Large Synoptic Survey Telescope, the observatory was renamed in 2020 to honor Vera Rubin, who died at 88 in 2016. Dr. Rubin’s work persuaded astronomers of the existence of dark ...

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 ...

On this day three years ago, we witnessed the nail-biting launch of the James Webb Space Telescope (JWST), the largest and most powerful telescope humans have ever sent into space. It took 30 ...

The James Webb telescope has focused its attention on an oddball space rock lurking between Jupiter and Neptune. The unusual "centaur," named 2060 Chiron, has features of both comets and asteroids.