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Amazon wildfires hide another threat to the rainforest
Amazon wildfires are weakening the rainforest’s ability to absorb carbon, as ozone pollution damages trees that survive the flames.
October 12, 2026
Check out the Double Cluster in Perseus on October evenings
The Double Cluster in Perseus is a breathtaking pair of open star clusters, easy to see in October. Here's how to find it in your sky.
October 11, 2026
Isaias is a major hurricane, headed for the Gulf Coast
Hurricane Isaias is the 1st hurricane of the 2026 Atlantic season. It is now a major hurricane, making landfall around midnight tonight near Pensacola.
October 9, 2026
Another satellite breakup raises concerns about space junk
An inactive Soviet weather satellite has broken apart above Earth. The satellite breakup has added tens of debris fragments to an already crowded low-Earth orbit.
October 9, 2026
Did formaldehyde on ancient Mars help kickstart life?
Formaldehyde in the ancient rains on Mars might have provided crucial chemical reactions needed for life to begin on the red planet billions of years ago.
October 9, 2026
Smile mission releases its stunning 1st aurora footage!
The Smile mission has shared its first footage of Earth's auroral oval at the North Pole, and it's a stunner! Read more about the mission here.
October 9, 2026
Why leaves change color in the autumn
Did you know the vivid colors of autumn leaves are there throughout spring and summer, but hidden? Here's why leaves change color in the fall.
October 9, 2026
Black holes could have planets, new simulations suggest
New simulations by 2 astrophysicists suggest that supermassive black holes could have planets orbiting them, much like planets orbit stars.
October 8, 2026
Hera mission hits the brakes to arrive at asteroid
The Hera mission will hit the brakes Thursday as it slows down to reach Dimorphos. This asteroid is the site of a human-made impact in 2022.
October 8, 2026
The ghost of Biela’s Comet: It created a storm and disappeared
November's Andromedid meteor shower is from the ghost of Biela’s Comet. It stunned observers in the 1800s, breaking up and producing meteor storms.
October 8, 2026
