Exploding stars have left their radioactive mark on our planet. Now scientists have found more evidence of a particularly violent event in Earth’s more ancient past.
The post Exploding Stars Sprinkled Ancient Earth With Radioactive Iron and Plutonium appeared first on Sky & Telescope.
New analysis reveals a tight relationship between two supernova remnants in the outer Milky Way.
The post Double Whammy: Binary Supernova in Gemini appeared first on Sky & Telescope.
The most recent interstellar visitor was crisscrossing our galaxy for some 10 to 12 billion years before it came near the Sun.
The post Interstellar Comet 3I/ATLAS Has Cold, Ancient Origins appeared first on Sky & Telescope.
On its way to future encounters with Trojan asteroids, the Lucy spacecraft made a practice run past tiny asteroid 52246 Donaldjohanson on April 20, 2025. Now, the Lucy team, led […]
The post Lucy's First Asteroid Flyby Sheds Light on a Double-lobed Asteroid appeared first on Sky & Telescope.
Login