Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much ...

High in the Andes Mountains of northern Chile, something extraordinary is happening. Perched on the peak of Cerro Pachón at ...

Stargazers in the U.S. can see Venus rising around 3 a.m. local time, with the Pleiades star cluster visible as a smudge of ...

Astronomers have spotted another never-before-seen "nova" blaze to life in the night sky. This may be the first time that ...

A new observatory in Chile has produced a stunningly detailed image of a nebula resembling cotton candy, using the largest ...

The distant planet Neptune stands still against the background stars of Pisces in the early-morning sky, still visible close ...

In an extraordinary celestial coincidence, two "new stars" —scientifically known as novae —are currently visible to the naked ...

Sky This Week is brought to you in part by Celestron. Friday, July 4Mercury reaches its greatest eastern elongation (26°) ...

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

The brand new Vera Rubin telescope is about to begin its 10-year mission to offer the newest cosmic perspective we've had in ...

The nova V462 Lupi was first discovered on June 12 by the Ohio State University-led All-Sky Automated Survey for Supernovae ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...