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.
California’s heatwave ranking law, and the global heat-response struggle
California has passed a law requiring a heatwave ranking system by 2025. But does the world need to coordinate its response to extreme heat?
September 21, 2022
Effects of nuclear war on Earth today: ‘Not winnable’
A nuclear war isn't winnable, says a recent study. It would lead to a new ice age, killing algae at the base of the ocean food chain and blocking shipping ports with ice.
September 21, 2022
Was Charon’s red cap formed by cryovolcanoes?
Why does Pluto's moon Charon look red on top? A new study from researchers at Purdue University suggests that cryovolcanic eruptions created Charon's red cap.
September 21, 2022
The moon is near Regulus, September 22 – 24
What's that bright star by the moon on the mornings of September 22, 23 and 24, 2022? The crescent moon is near Regulus, the brightest star in Leo the Lion.
September 21, 2022
Northern autumn ahead. Here’s your equinox sky
Northern autumn arrives on September 22 or 23, 2022, with the equinox. The time and date depend on precisely where you live. Find out more here.
September 20, 2022
See the Beehive Cluster and moon in binoculars
You can see the Beehive Cluster, M44, on the morning of September 21, 2022. The waning crescent moon will fit in the same binocular field of view.
September 20, 2022
Abandoned ant hill excavation reveals a city
Watch an abandoned ant hill excavation by scientists! In this video, scientists pump concrete into an empty ant colony so you can see the intricate structure.
September 20, 2022
Webb’s 1st Mars images: A heat map and more
Webb's 1st Mars images and spectra were released on September 19, 2022 ... and wow! It's like seeing a whole new Mars.
September 19, 2022
Voyager 1: 1st portrait of Earth and moon 45 years ago today
On September 18, 1977, as it headed toward the outer solar system, Voyager 1 looked back and acquired a stunning image of our Earth and moon.
September 18, 2022
Media we love: The Age of Miracles
Media we love! Deborah Byrd recommends The Age of Miracles, apocalyptic fiction set against the background of an unexplained natural slowing in Earth's spin.
September 18, 2022
