Set sail with these expedition companies and you can make a meaningful contribution to our knowledge of the natural world.

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.

Deep beneath the ocean between Greenland and Iceland, a vast cascade of cold water plunges silently for thousands of feet.

Real-time predictions are critical. Researchers make major breakthrough in fight against serious economic threat: 'Reduces ...

The planet won’t look like this forever. A future supercontinent could unleash brutal cold, rising heat, and even a wave of ...

Earth’s oceans absorbed another record volume of heat in 2025, reinforcing a pattern that climate scientists say is ...

Our planet was once a harsh, alien, icy world. Yet this deep freeze may have shaped you, me and all life on Earth ...

The southern Indian Ocean off the west coast of Australia is becoming less salty at an astonishing rate, largely due to ...

Geoscientists say Earth will be home to one massive supercontinent about 200 million years from now; there are four prominent versions of this mega-continent. The climate might be surprisingly balmy ...

Climate change is rapidly freshening one of Earth’s saltiest ocean regions in the Southern Indian Ocean, potentially disrupting circulation.

To this day, the oceans are still one of the most mysterious places on the planet. Because they cover a whopping 70% of the ...

Bigger than any waterfall on land, this hidden ocean giant flows silently beneath the sea, unseen by human eyes, yet it plays a powerful role in shaping Earth's climate and ocean currents.