Something enormous is on its way to our cosmic neighborhood. The Milky Way, along with our closest major neighbor the ...

Tiny Galaxies That Speak Volumes Our Milky Way is surrounded by dozens of smaller “satellite” galaxies. These aren’t mere ...

In the last 'Sui's Constellation Guide,' we met Cassiopeia. The words of the queen who boasted of her beauty would eventually invite the wrath of the gods. But— the one who ended up paying the price ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

September may be a good time to catch a sight of the Milky Way's center while it's still easily visible in 2026 across the US. Here's how.

In a captivating exploration of the Andromeda galaxy, new images have shed light on how this vast cosmic neighbor truly ...

September 2026 brings nine night sky events, from Moon-planet pairings and Venus at peak brightness to the Harvest Moon and possible auroras.

Chapter 7: | 7-2 Beyond the Galaxy7-2-1 The Lifespan and Replication of GalaxiesHere, a concern arises. It is predicted that ...

The meteors, or shooting stars, are the trail of dust left behind by the famous comet Halley. The peak will be on the night of October 21/22, when around 20 meteors per hour might be seen. The second ...

September may be a good time to catch a sight of the Milky Way's center while it's still easily visible in 2026 in Oklahoma and across the country.