Visibility articles

What is the reason that planetary nebulae are visible?

Planetary nebulae owe their ephemeral visibility to a dramatic final act in the lives of certain stars—specifically, med...

The Geminids meteor shower, often hailed as one of the most reliable and active annual celestial events, offers skywatch...

The transition into autumn brings with it wonderfully crisp air, which is the perfect antidote to summer haze, making Oc...

When looking at breathtaking images from the Hubble or James Webb Space Telescopes, it’s easy to assume that the cosmos ...