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Why are Mars’ polar caps different from each other?
Mars' polar caps are generally similar, but they also differ in some some ways. A new study shows how the differing sublimation of CO2 ice plays a role.
September 13, 2024
Question mark galaxy? Gravity lens creates cosmic graffiti
An unusual occurrence of gravitational lensing created this view of a question mark galaxy. The discovery reveals details about early galactic evolution.
September 13, 2024
Jupiter’s moon Io has a new volcano! See pics here
Jupiter's moon Io has a new volcano! The volcano appears in Juno spacecraft images from February 2024. Streams of lava and sulfur stains mark its flanks.
September 12, 2024
Watch a star’s surface bubble in fantastic video and images
For the 1st time, astronomers have watched a star's surface bubble in magnificent detail. The bubbling is hot gases on a star 178 light-years away.
September 12, 2024
New dinosaur – a long-necked titanosaur – uncovered in Spain
A new species of titanosaur, a large plant-eating dinosaur with a long neck, was discovered near Cuenca, Spain. It lived 73 million years ago.
September 12, 2024
Hurricane Francine hits Louisiana as a Cat 2 storm
Hurricane Francine came ashore in southern Louisiana on Wednesday afternoon as a category 2 storm. There are already reports of damage.
September 11, 2024
A buddy for Betelgeuse? Does this mean no supernova?
A recently-published study suggests the red giant star Betelgeuse may have a sun-size companion which might affect the star's brightness and variability.
September 10, 2024
Dragonflies are all-terrain insects: Lifeform of the week
Dragonflies are fierce hunters with a very high success rate. They are agile and fast. And they live underwater much longer than in the air.
September 9, 2024
LIVE on Monday: Moon crazy, with Robert Reeves
Join us from 12:15 CDT (17:15 UTC) on Monday, September 9, 2024, as lunar astrophotographer Robert Reeves discusses ways to appreciate our moon.
September 8, 2024
Sharks may be hunting other sharks
Researchers uncovered a rare instance of large sharks preying on one another. The finding shows the complexity of shark interactions and resulting impacts.
September 8, 2024
