What does a comet have to do to stop looking like a smudge and start looking like a machine? Interstellar comet 3I/ATLAS ...

Getting your first telescope should feel exciting, not frustrating. If I avoid a few common beginner mistakes, I can turn ...

A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly. The National Science Foundation's NoirLab released the picture Wednesday. Snapped last month by the ...

Benjamin Pope receives funding from the Australian Research Council and the Big Questions Institute. After Christmas dinner in 2021, our family was glued to the television, watching the nail-biting ...

A comet known as 3I/ATLAS made news when it was confirmed to be the 3rd-ever object observed to have originated outside Earth's solar system. Though the object poses no threat to Earth, astronomers ...

Telescopes have come a long way since the first one was invented in 1608. So what's the most powerful telescope operating today, and how far can it see? When you purchase through links on our site, we ...

The James Webb Space Telescope has discovered its first exoplanet, astronomers said Wednesday, capturing rare direct images of the relatively small world in Earth's galactic backyard. The telescope, ...

The Magellan Baade and Clay telescopes regularly produce images of similar to 0.5 '' in natural seeing. We review efforts to improve collimation, active optics response, and telescope guiding and ...

Planetary remote-sensing instruments are often required to cover a relatively large field of view, ideally with a uniform angular resolution over the field, due to relatively large apparent sizes of ...

Thirty-five years ago today a revolutionary new era of astronomy began when the Hubble Space Telescope, tucked onboard the space shuttle Discovery, blasted off Earth into history. The next day a ...