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.

A star-forming galaxy in the early universe might have sent a ghostly particle known as a neutrino crashing into the ice at Earth’s South Pole, after an 11 billion-year journey through space.

The post “Shadow Blaster” Galaxy Might Have Sent High-Energy Neutrino to Earth appeared first on Sky & Telescope.