"This is just 1% of the map, and yet it is full of a variety of sources that will help scientists discover new ways to ...

The Hubble Space Telescope has seen Jupiter's Great Red Spot oscillating in width as it drifts around the planet. Could this ...

Have you seen comet Tsuchinshan-ATLAS yet? If you haven't yet seen the bright, icy space rock that's traveled from the edge ...

Well, any of us who has ever looked through a telescope could say the same ... mirror Newton had affixed inside the tube at a 45-degree angle. That secondary mirror, in turn, bounced the light ...

To compare, a 0.07-m reflecting telescope — available ... One arcsec is 1/3600th of a degree. The toy telescope’s optimal resolving power is around 1.47 arcsec, over 40-times greater.

The comet—traveling about 44 million miles away—was observed from Earth for the first time earlier this month.

The James Webb Space Telescope has zoomed in on an ancient supernova, revealing fresh evidence that a crisis in cosmology ...

Euclid launched from Florida's Cape Canaveral on July 1, 2023, and sent back its first test photos just one month later. The ...

Explore these orbiting pioneers and learn what they've discovered. 3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of ...

On its mission to reveal the secrets of the “dark universe,” the Euclid space telescope has released its most detailed image ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Friday, Oct. 18, with sky charts, ...

A good 0-degree sleeping bag is an essential piece of kit if you plan to do any cold-weather adventuring. After all, ensuring a good night’s sleep while you’re out camping is just as important ...