More stories by 'Sara Kiley Watson'

16 photos that show the raw intensity of India's heaviest monsoon in 25 years that's killed over 1,600 people so far

Scientists are working to solve the mysteries of superbolts, the most energetic kind of lightning — here's what we know so far

A new model of the Earth's climate 50 million years ago is revealing worrisome clues about what our future could look like