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Ocean fertilization is extremely controversial, but if done correctly, it just might work.

Scuba divers often appear to be swimming through a calm and muffled universe. This couldn't be farther from the truth.

Chemical changes inside Mars' core caused it to lose its magnetic field. This, in turn, caused it to lose its oceans. But how?

Seventy-five years after the anomaly's discovery, scientists have finally figured out why sea levels are so much lower here.

A Harvard astronomer went to the bottom of the ocean, claiming he recovered alien technology. But what does the science actually indicate?

Passing chunks of ice can fertilize ocean waters and play a role in the planet’s carbon cycle.

Many countries just ship their plastic waste overseas.

Frozen adversity set the stage for an explosion of diversity.

If we're going to discuss oceanography and climate change, we should at least identify the currents correctly.

Some fascinating observations of K2-18b have come along with horrendous, speculative communications. There's no evidence for oceans or life.

For centuries, the only way to travel between the Old and New World was through ships like the RMS Lusitania. Experiences varied wildly depending on your income.

Flashy desalination technology is more costly and cumbersome than many other solutions.

Compared to Earth, Mars is small, cold, dry, and lifeless. But 3.4 billion years ago, a killer asteroid caused a Martian megatsunami.

The outer planets' clouds hide the weirdness within.

Some microbes can withstand Earth's most inhospitable corners, hinting that life may be able to survive similarly extreme conditions on other worlds.

The sky is blue. The oceans are blue. While science can explain them both, the reasons for each are entirely different.

Experts say it’s likely space junk—and there’s plenty more where that came from.

An un-crewed sailing drone discovered the unusually shaped, slumbering seamount.

Embark on a journey through one of the most profound ecological transitions in the history of complex life.

Simple physics makes hauling vast ice chunks thousands of miles fiendishly difficult — but not impossible.

The cycles of life all rely on the dynamism of the Earth's crust.

Europa may be difficult to access. But if a recent study is correct, its subsurface ocean would be more accessible than previously thought.

The divers spend their waking hours either under hundreds of feet of water on the ocean floor or squeezed into an area the size of a restaurant booth.

Mercury, Venus, and Mars are all uni-plate planets, and may always have been. Here's what's known about why Earth, uniquely, has plate tectonics.

A marine scientist explains the threat of the Loop Current, a 800-pound gorilla of Gulf hurricane risks.

The fear of deep bodies of water may be evolutionarily ingrained.

"Ghost gear" leads to hundreds of thousands of animal deaths.

Mansa Musa, perhaps history's richest man, claims he ascended the throne of Mali after his predecessor sailed west and never came back. Could he have made it to the New World?

They were more like blue whales with a mean bite.

To this day, one cult believes that Lemuria was real, and that its people left us the sacred wisdom to revive their advanced civilization.