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 ...

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

“When using a tent during an observing run or star party, consider a second tent for your equipment,” is the excellent ...

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

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

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

Webb takes a closer look at Abell S1063, a distant galaxy cluster that acts like a cosmic lens, peering into the universe’s ...

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

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