With more than 100 million U.S. users on Instagram, finding the best accounts to follow can lead you down the rabbit hole.

“The Galapagos was incredible,” he says, “like a walk in a prehistoric time. There were so many sharks in very dark water, ...

The annual Small World photomicrography competition, now in its 50th year, puts life’s smallest details under the microscope.

The annual Orionid meteor shower is set to peak Sunday night into Monday at a rate of 10 to 20 meteors per hour. Here’s how ...

When it comes to longevity, few places in the world have seen such a drastic jump in life expectancy as the island city-state ...