Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

On an observing table, Barbara had set up The Hubble Atlas of Galaxies, the Uranometria 2000 ... massive black hole at the center of this giant elliptical galaxy. (Nothing can escape from inside ...

Uranus is an ice giant planet with a thick atmosphere over a hot mantle of water, ammonia, and methane ices. Humanity has ...

Changing seasons on Uranus tracked across 20 years by Hubble Space Telescope — Spiral starburst galaxy glows in gorgeous Hubble Telescope image ...

the system will most likely evolve into a compact elliptical galaxy. More information: Daya Nidhi Chhatkuli et al, SDSS J134313.15+364457.5: Forming Compact Elliptical through the Merger ...

The upshot is that we now know that a day on Uranus takes 17 hours, 14 minutes, and 52 seconds, or 28 seconds longer than the best previous estimate made by NASA’s Voyager 2 during its 1986 flyby.