Main-belt world Egeria is drifting near the star 80 Virginis tonight — the asteroid’s motion will be readily observable.

Now 15th magnitude, the comet is well-positioned for observation late overnight and into the early-morning hours.

M94, also called the Croc’s Eye Galaxy, glows high in the sky tonight. How much detail can your scope pick out?

New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a colder, more distant origin than any comet ever measured.

A crescent Moon guides the way to the Red Planet as galaxies glow and Venus stands between the horns of the Bull in the sky ...

Stars twinkle and sometimes appear to move around due to our atmosphere “scrambling” their light as it travels to our eyes.

M51 and M101. Although technically the same magnitude, one is more challenging than the other. Let’s take advantage of the moonless early-evening sky to enjoy two lovely face-on spiral galaxies. We’ll ...

Although the Moon is bright, step outside early this morning to see if you can spot some fast-moving meteors left behind by ...

Without our satellite, Earth’s geology, biology, and climate — even human philosophy — would be vastly different.

NASA has awarded a contract to execute a high-stakes orbital maneuver, racing against time and atmospheric drag to prevent a critical science asset from tumbling back to Earth. The target of this ...

The Vespera II — X Edition from Vaonis, 'Cellarius Atlas' published by Taschen, and Celestron's NexYZ DX Smartphone Adapter ...

This week, Astronomy magazine Editor Emeritus Dave Eicher invites you to observe the Eta Aquariid meteor shower, which peaks on May 5. Although the glare of the Moon will wash out fainter meteors, you ...