Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Space
Comet A3 is the brightest comet in 27 years! Don’t miss it
Comet A3 Tsuchinshan-ATLAS is now in the evening sky! Look west after sunset. Get tips and star charts here. If you capture an image, submit it to EarthSky!
October 15, 2024
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide for October 2024. Comet Tsuchinchan-ATLAS (or A3) is visible in the west. Look after sunset near the planet Venus.
Earth
Human World
Monday’s livestream: Extreme weather and climate change with Davide Faranda
Watch our replay about climate change and extreme weather with climatologist Davide Faranda, an expert on cold spells, heatwaves and severe thunderstorms.
October 15, 2024
Earth
Sun
Sun news October 15: A new leading sunspot region
Sun news for October 15, 2024. Sun activity remains moderate thanks to AR3852 taking up the mantle from aurora-causing AR3848, which has passed out of view.
October 15, 2024
Space
Spaceflight
Europa Clipper launch success on Monday
Europa Clipper is NASA's mission to explore the icy, ocean moon of Jupiter. Scientists want to know if life could exist in Europa's ocean.
October 14, 2024
Space
Tonight
Comet A3 has an anti-tail! Can you see it?
Comet A3 and Earth have passed their closest point. But, early this week, we're crossing the plane of the comet's orbit. Some are seeing an anti-tail!
October 14, 2024
Space
Ice on the moon is widespread, new study shows
A new NASA study of permanently shadowed regions near the lunar south pole shows that there is a lot more water ice on the moon than previously thought.
October 14, 2024
Earth
Lifeform of the week: Snails are full of surprises
There are many surprising facts about land snails. Did you know a snail is both male and female? And they can have 25,000 teeth? More here!
October 14, 2024
Astronomy Essentials
Super Hunter’s Moon: Closest supermoon in 2024
The Super Hunter's Moon - this year's October full moon - is on October 17, 2024. It's the closest - and brightest - supermoon of 2024.
October 14, 2024
Space
Jupiter’s Great Red Spot wiggles like gelatin
New observations with the Hubble Space Telescope show that Jupiter's Great Red Spot wiggles like a bowl of gelatin. It squeezes in and out like a stress ball.
October 13, 2024
Subscribe now! A daily update with Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Space
View All
Astronomy Essentials
View All
Earth
View All
Human World
View All
