The *Comfort* and the *Mercy* won’t handle Covid-19 patients because of their close quarters. An ER doctor questions if they should be used at all.
The wispy ice clouds formed by jet exhaust help trap heat near the Earth’s surface. But small changes in altitude can dampen the effect, a study says.
A British Airways passenger caused chaos after trying to open the aircraft door during a flight, but air pressure and clever design make it impossible.
The still-burning Kincade Fire prompted one of the largest wildfire-related evacuations in California history—a legacy, in part, of two earlier deadly blazes.