US grounds Virgin Galactic after space flight 'mishap'

The US Federal Aviation Administration (FAA) on Thursday said it was grounding space flights by Virgin Galactic while it investigates why the company's July mission carrying Richard Branson deviated from its planned trajectory.

FAA: New tool limits disruptions caused by space operations

Federal regulators said Thursday they now can better track rocket launches and space vehicles returning to Earth, which could cut the amount of time that airplanes must be routed around space operations.

Modeling volcanic debris clouds

When a volcano violently erupts, a plume of ash and gases spews skyward. The hot slurry quickly rises into the atmosphere, where various atmospheric dynamics interact to shape the volcanic cloud's composition, height, and ...

page 10 from 40