See it! Full Hunter’s Moon

This weekend's Hunter's Moon, as captured by EarthSky friends around the world. Thank you to all who submitted photos!

International Observe the Moon Night is this week

International Observe the Moon Night is a global, public event coming up on October 16, 2021. Here's how you can participate online or in person.

See it! Orionid meteors this weekend

This weekend's Orionid meteor shower didn't disappoint. EarthSky community photos, here.

Young moon, refracted by atmosphere

Wonderful timelapse from Mike Cohea showing the October 20 young moon - only 1.3% illuminated - setting over Newport, Rhode Island, being refracted by Earth's atmosphere. 

Watch for Taurid fireballs

North and South Taurid meteor showers happen simultaneously in late October and November. They're relatively minor showers, but produce a high percentage of fireballs, or bright meteors.

Close encounters of the planet kind

Brilliant Venus and faint Mars swept close last week, in the east before sunup. Check out these awesome photos!

See it! 2017’s Harvest Moon

Photos and videos from the EarthSky community of 2017's Harvest Moon. Thanks to all who submitted photos, or posted them to EarthSky Facebook!

How fast is our universe expanding?

Here's a great New ScienceCast video about the controversial Hubble Constant. It's the key to knowing the age of our universe and much more.

Sun photobombed Mars encounter with comet Siding Spring

Comet Siding Spring swept closer to Mars than any known comet in recorded history, creating the largest-ever-known meteor shower. But the sun got in on the act.

Biblical signs in the sky on September 23, 2017?

A mirror in the sky to "signs" from the Bible's Book of Revelation? Possibly. But this same sky scene has been seen 4 other times in the past 1,000 years. An astronomer explains.