New study examines rare sedimentary rocks atop some of the planet's oldest large land masses.
New research looks at how dust storms and a thin atmosphere may play into alternative energy sources on the Red Planet.
The fastest-spinning white dwarf on record completes a full rotation in 25 seconds.
Devices that nudge the rich and middle class to exercise don't offer same boost to those with lower incomes.
A particle accelerator-powered imaging tool has opened new windows into human anatomy.
Coverage of the Coronavirus Pandemic