It’s evening at the northern tip of the Red Sea, in the Gulf of Aqaba, and Tom Shlesinger readies to take a dive. During the day, the seafloor is full of life and color; at night it looks much more ...

Many animals like corals release eggs and sperm into the water on just the right nights of the month. Tom Shlesinger It’s evening at the northern tip of the Red Sea, in the Gulf of Aqaba, and Tom ...

I dove off the back of our sailboat into the warm waters of the South Pacific just after sunrise. My husband and 10 year-old son followed, each holding an underwater camera. Together, we kicked over ...

Many broadcast spawning corals in multiple reef regions release their gametes with incredible temporal precision just once per year, using the lunar cycle to set the night of spawning. Moonlight, ...

Corals play an essential role in ocean ecosystems, and like many organisms, they are under threat from climate change and other human activities. To better protect coral, it’s first necessary to ...