Sunlight glimmers on Lake Tahoe on a spring morning in April as the John LeConte, the 48-year-old research vessel for the UC Davis Tahoe Environmental Research Center, motors across the glassy water.

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

"Before Hubble, no generation ever had access to unimaginably vibrant views of space, stretching almost all the way back to almost the beginning of time." ...

Our journalist—and three-time marathoner—did the hard work of finding the lightweight, breathable caps every runner needs.

Risk markets are staging another bear market bounce on Trump’s latest statement that he does not intend to fire Fed Chair ...