Astronomers are urging limits on satellite launches after simulations showed some observatories could become effectively ...

If the number of satellites in Earth's orbit exceeds 100,000, humanity may lose its ability to study the universe from the ...

See composites created using James Webb Space Telescope and Chandra X-ray Observatory imagery. A pair of galaxies, a nebula, ...

The European Southern Observatory warns that rapidly growing satellite constellations could disrupt Earth's most powerful ...

Science operations at the United Kingdom Infrared Telescope will conclude Sept. 15 so it can be decommissioned, University of ...

The 1.7 million satellites that companies are aiming to launch into Earth's orbit in the coming years will have "devastating ...

Telescopes 4 inches or less in diameter are portable, easy to use, and great beginner instruments. Here, I’ll walk through ...

NASA on Friday launched a rocket into space to save one of its most iconic telescopes from falling to Earth. In a ...

Overview A good telescope helps you enjoy the Moon, planets, and stars in much greater detail.Beginners should choose simple ...

After 30 years of observing, I’ve compiled a list of some of my favorite deep-sky objects. These look best with a large ...

The United Kingdom Infrared Telescope is one of thirteen working telescopes on the mountain’s summit and the third to be decommissioned.

NASA is marking the United States' 250th birthday with four striking red, white, and blue images of deep space from the ...