Could the universe be 26.7 billion years old? An alternative theory gives early galaxies billions more years to grow
Seven massive star clusters hold at least 80% of a galaxy from the universe’s first 400 million years
Hidden behind Galactic dust, Garro 04 emerges as a 10,000-light-year-distant cluster with shared motion, chemistry and a disk-like orbit
Earth appears to have grown mostly from pebble-built bodies, while Mars got most of its mass from planetesimals
Sick elephants on Mount Elgon reportedly target specific plants, while mothers mix some with milk for their calves