The solar system’s largest and smallest planets meet in the evening sky, standing 2° apart shortly after sunset.

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

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

This fanciful yet scientifically guided tale describes a visit to the Moon, and is considered by many the first work of ...

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

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

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

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

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

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

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

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