An astronomer has snapped comet 3I/ATLAS using the Lowell Observatory's powerful Discovery Telescope, as well as his own ...

New observations from the Nordic Optical Telescope, in the Canary Islands, Spain, suggest that 3I/ATLAS's unusual anti-solar tail has changed direction, becoming dominated by a tail that faces away ...

Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission has launched to help astronomers better understand it. Created by the solar wind, a ...