Plumes of sulphur-based gases and fine dust blocked out the sun, causing an “impact winter” that lasted for 15 years. Sun-blocking dust from asteroid impact drove the dinosaur extinction The ...

The asteroid measures 0.31 miles (0.5 kilometers ... could last for more than four years after the initial impact. The dust plume would also deplete the ozone layer. "Severe ozone depletion ...

NASA's Mars Reconnaissance Orbiter caught most of a dust devil plume in this 2008 image. The HiRise camera team said, "We got lucky ...

NASA's James Webb Space Telescope has unveiled an awe-inspiring celestial spectacle of a spiral galaxy interacting with a ...