Answer help for Second Thoughts, featuring one of today's clues: Some telescopes have these at both ends, from USA TODAY ...

Are streetlamps and other light sources ruining your stargazing? Pick up one of these six portable telescopes and seek out ...

It lurks inside a galaxy cluster — a huge group of galaxies bound together by gravity — and that cluster is in the throes of ...

Four giant telescopes developed under Japan's leadership have been completed on a Spanish island as part of an internationa ...

Astronomers have discovered a star being torn apart by a massive black hole more than 1,000 parsecs from the center of its ...

The spectacular night-time display can help ground-based telescopes rival their space counterparts in accurate observations.

The international CTAO completed four 23 m gamma-ray telescopes on La Palma, Spain. The LST array is designed to detect 20 ...

The Roman Space Telescope realizes an idea conceived at UC Berkeley and Berkeley Lab. A Berkeley astronomer now leads a large ...

An amateur astronomer’s ingenious solution to a problem in his backyard attracted the attention of scientists and left a ...

From the Crab Nebula to the Orion Nebula, these 10 winter deep-sky objects are easy to find and perfect targets for small ...

Flat Earth theory can be tested without relying on space photographs or one institution. Several independent observations ...

Eye on the sky: the four 23 m-diameter telescopes belong to the Large-Sized Telescope array at the Roque de los Muchachos ...