2019 had three of the warmest months on record
No, it wasn't your imagination. 2019 was a historically warm year. During the summer, dozens of cities in the US sweltered under record-high temperatures and waited out historically long hot streaks.
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No, it wasn't your imagination. 2019 was a historically warm year. During the summer, dozens of cities in the US sweltered under record-high temperatures and waited out historically long hot streaks.
The stark reality of climate change is that even the cities that seem best defended against rising sea levels face the potential of catastrophic flooding.
The quest for the unknown revealed exciting new discoveries this year. California Academy of Sciences researchers discovered 71 new animal and plant species in 2019.
What may have been the world's tallest waterfall briefly formed on Greenland's ice sheet last year, draining a meltwater lake of 5 million cubic meters of water -- equivalent to 2,000 Olympic-sized swimming pools -- in just five hours.
On the west coast of Hawaii Island, the sun rises over tall volcanoes and glints off the vast blue Pacific in Honokohau Harbor near Kailua-Kona. Tourists climb aboard waiting boats in the bright morning light, giddy at the prospect of swimming beside the island's famous spinner dolphins.
Astronomers have uncovered increasing evidence that some bodies in our solar system, like Jupiter's moon Europa and Saturn's moon Enceladus, are actually ocean worlds.
Hundreds of millions of people worldwide are at risk of losing their homes as entire cities sink under rising seas over the next three decades, according to researchers.
It's easy to see why millions of people flock to the beach every year.
Ocean acidification caused a mass extinction of marine life 66 million years ago, research into tiny shell fossils has shown. This could have implications for the current climate crisis, which is also making the oceans more acidic.
Some sun protection may come at a steep price for the ocean's coral reefs. Now, a Florida state senator wants to ban some sunscreens entirely for the potential harm they cause marine life.
A huge trash-collecting system designed to clean up plastic floating in the Pacific Ocean is finally picking up plastic, its inventor announced Wednesday.
Since the 1970s, the climate crisis has made our oceans warmer and more acidic, reducing the number of fish we rely on for our food and putting the future of fish in peril, according to a major UN report out Wednesday.
Crews are preparing to lift the wreckage of the Conception dive boat off the ocean floor on Thursday, a US Coast Guard spokesman said.
The fate of the increasingly rare North Atlantic right whale has always been left up to humans.
Eight years after Japan's worst nuclear disaster, the government is not sure what to do with the contaminated water that remains -- but its environment minister says dumping it into the ocean might be the only choice.
Hurricanes are the most violent storms on the planet, and strong storms are getting stronger thanks to warmer oceans.
Earth seems like the perfect hub for life because it's the only planet known so far to host it -- but new research suggests that other planets could have oceans that are even more hospitable, offering life that is more varied than we know it.
The RMS Titanic was visited by divers for the first time in 14 years, and the ship that was once a picture of luxury was found in the process of being swallowed up by the ocean floor and ravaged by metal-eating bacteria.
Within the Atlantic Ocean is the world's only sea without shores, its borders defined by the currents of the North Atlantic gyre.
On one of the hottest days this summer, locals in the tiny village of Kulusuk, Greenland, heard what sounded like an explosion. It turned out to be a soccer field's worth of ice breaking off a glacier more than five miles away.
A teenager from Ireland may have found a way to rescue our oceans from the growing plastic pollution problem.
New Orleans was built above sea level, but over time, it's been sinking.
Perhaps the old saying is true: You are what you eat.
Environmentalists have removed more than 40 tons of plastic from the Pacific Ocean.