Quote of the Day: Marie Curie, the trailblazing physicist and chemist, remains one of the most admired figures in the history of science. She was the first person to win Nobel Prizes in two different fields, physics and chemistry, and her discoveries in radioactivity transformed medicine and research. Her career was marked not only by…

Terrestrial planets experience landslides in spades, and so do some moons, asteroids and comets. But — until now — they’ve never been definitively spotted on Pluto, even though the icy world has all the ingredients necessary for their formation. Images taken by the New Horizons spacecraft reveal six large landslides on the dwarf planet, researchers…