For decades, astronomers treated starlight and dust as a simple conveyor belt, a steady wind that carried the raw ingredients ...

Ammonia (NH3) is a colorless chemical compound comprised of nitrogen and hydrogen that is widely used in agriculture and in ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

Fireworks attached to bottles of Champagne sent up showers of sparks that appear to have ignited insulation in a bar. The blaze killed 40 people. By Ségolène Le StradicAurelien Breeden and Thomas ...