Metal scar found on cannibal star

When a star like our Sun reaches the end of its life, it can ingest the surrounding planets and asteroids that were born with it. Now, researchers have found a unique signature of this process for the first time — a scar imprinted on the surface of a …

Babies use immune system differently, but efficiently

Scientists have long believed that a newborn’s immune system was an immature version of an adult’s, but new research shows that newborns’ T cells — white blood cells that protect from disease — outperform those of adults at fighting off numerous infe…

Cloud clustering causes more extreme rain

Understanding cloud patterns in our changing climate is essential to making accurate predictions about their impact on society and nature. Scientists published a new study that uses a high-resolution global climate model to understand how the clusterin…