Space
Will Comet A3 and Comet S1 become visible in October skies?
Comet A3 Tsuchinshan-ATLAS isn't the only possible comet for the coming month. There are 2 comets that might become bright in October 2024.
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide for October 2024. The moon hangs near the bright red star Antares this evening. Comet livestream at 12:15 CDT (17:15 UTC)!
Sun

Sun news October 7: Auroras overnight

Sun news update for October 7, 2024. We got some auroras overnight, despite only minor storming. The sun is taking a break with moderate flaring.
Today's Image

See the best Comet A3 Tsuchinshan-ATLAS images here

Check out these great photos of Comet A3 Tsuchinshan-ATLAS contributed by EarthSky community members from around the world.
Astronomy Essentials

Draconid meteor shower 2024: All you need to know

In 2024, the Draconid meteor shower - also called the Giacobinids - will probably produce the most meteors on the evening of October 7-8.
Space

Centaur jets? Webb detects jets of gas on distant icy body

Webb detected jets of carbon monoxide and carbon dioxide gas on a distant icy centaur. This may shed light on the formation and evolution of the solar system.
Earth

Dolphins make smile-like expressions during play

Bottlenose dolphins use an open-mouth facial expression when playing with each other, resembling what humans might perceive as a “smile.”
Space

1st planet orbiting a sunlike star discovered 29 years ago

On October 6, 1995, astronomers announced the discovery of the first planet orbiting around a distant sunlike star. This planet is known as 51 Pegasi b.
Space

Hera mission: Keeping Earth safe from an asteroid collision

The Hera mission is scheduled to launch on October 7, 2024. Will it launch? Hera will explore Dimorphos, which DART hit as a test of planetary defense in 2022.
Tonight

What’s that bright star by the moon? It’s Venus!

What's that bright star by the moon? It's not a star at all, it's Venus! Venus is the brightest point of light in our night sky. Learn more here.

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