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.

Sun on the sky’s equator

Another great explanation of Friday's equinox - plus beautiful graphics - from astronomer Guy Ottewell.

See it! Young moon and Jupiter

Wow! So many beautiful photos of something relatively hard to catch … the young moon returning to the evening sky this week next to the bright planet Jupiter.

How to see binocular comet C/2017 O1

This faint comet reaches perihelion, its closest point to the sun, on October 14. It’ll be closest to Earth on October 18, passing distantly at about 67 million miles (108 million km).

Another X-flare from the sun

We're near solar minimum, but the sun has been active! Click here for a video of solar flares so far in September, 2017 and for news for the sun's most recent X-flare.