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.
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.
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.
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.