This morning, set your sights on the first planetary nebula ever discovered: M27, the Dumbbell Nebula in Vulpecula.

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...

White House says private astronaut Jared Isaacman was removed from consideration due to past donations to Democratic causes.

The degradation of seeing due to tube currents (also called thermals) is a widely recognized problem. But how do you know if ...

A fortunate dozen spent a night with the 4.3-meter Lowell Discovery Telescope, happy to be gazing at some great deep-sky ...

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...

Luna hangs near Spica, Virgo’s brightest star, in the evening sky tonight after a close pass earlier in the day.

Triangle asterism is rising earlier as we approach Northern Hemisphere summer. Catch it in the east this evening.

The most recent nearby supernova, SN 1987A, was in the Large Magellanic Cloud. The Milky Way’s youngest known supernova is ...

Regas first defines what a constellation is and then offers a short description of how to identify Orion’s shape. Following ...

Explore NGC 6946, the Fireworks Galaxy—an active starburst galaxy on the Cepheus-Cygnus border known for its high rate of ...

Asteroid 2 Pallas has reached its stationary point in the sky near the four stars forming the body of Delphinus the Dolphin.