What is time? Sten Odenwald explains how recent theories about the quantum nature of gravity provide some unique and fantastic answers.

Get to know host Phil Plait and begin with answering a simple question: what is astronomy? Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the ...

Astronomy was born out of humankind's ancient fascination with the star-studded sky. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

We’ve been doing it for thousands of years, but stargazing is now a truly ideal socially distant activity. We spoke with a professional to get the lowdown on what stargazing and astronomy ...

Planetariums around the world are invited to participate in this year’s edition of the IAU’s annual outreach event.

A full moon is slated for Sept. 7, but there are other celestial events occurring this month. More on viewing Saturn at its ...

We’ve been doing it for thousands of years, but stargazing is now a truly ideal socially distant activity. We spoke with a professional to get the lowdown on what stargazing and astronomy ...

Astronomy is the study of stars, planets, comets, galaxies, space and anything else outside of the Earth and its atmosphere. When is the best time of the year to go stargazing?

Astronomy is a subject as vast and fascinating as the night sky itself. Humans have been charting out changes in the heavens for thousands of years. During that time, our species’ growing ...