Have you ever gazed out at the sea and felt the world become smaller? Perhaps you have swum in its waters and felt that time stood still, that the noise and chatter of the world faded away to a ...

Australia’s Great Barrier Reef faces critical danger from back-to-back bouts of extreme ocean heat. Ocean heat in the Coral Sea is at its highest in four centuries, scientists report in the Aug. 8 ...

Daphne, Phoebe, Iris and Pasithea demonstrated how marine mammals can help scientists understand mysterious places that humans may never visit. By Kate Golembiewski Around much of the planet, an ...

Clashes between the China Coast Guard and the Philippine Navy escalated in June. Philippine officials announced late last month that Chinese personnel attacked dinghies attempting to provision ...

If you hold your breath and plunge your face into a tub of water, your body automatically triggers what's called the diving response. Your heart rate slows, your blood vessels constrict, and your ...

A map shows how parts of South Carolina could be submerged by water as sea levels rise because of climate change. The United Nations' Intergovernmental Panel on Climate Change (IPCC) projects that by ...

Sixty years ago, the Aral Sea began drying up, leaving salty, barren soil in its wake. Lessons learned here will help other parts of the world experiencing climate change. The Aral Sea was once the ...

These Smithsonian Magazine Photo Contest images feature the captivating creatures that live beneath the waves A hawksbill sea turtle munches away on a sponge near Juno Beach. Smithsonian Photo Contest ...

Among the marine mammals swimming through our planet’s seas, whales often steal the evolutionary spotlight. A stunning array of fossils demonstrate how whales evolved from hoofed mammals that adapted ...

If you’re looking to add a useful life skill to your metaphorical tool kit, consider learning how to calculate square footage. There are countless situations when calculating how many square feet are ...