Why Does It Seem Like Jellyfish Are All Over the East Coast?

“I don’t think it’s time to push the panic button yet,” an expert said, after rising reports of swarms and stings for beachgoers in parts of the Eastern Seaboard.

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Nathaniel B. Palmer, a U.S. Icebreaker, May Have Sailed Its Last Expedition

The decommissioning would leave the United States with no icebreaker to study the southern seas and cede scientific leadership to rival countries like China.

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Tracking the Aftermath From Erin on the Ocean

Meteorologists piece together the aftereffects in a hurricane’s path, and look ahead to potential future storms.

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The Climate Factors Driving Hurricane Erin

Global warming is changing the way storms behave.

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Why Did Such a Powerful Earthquake Generate Such a Weak Tsunami?

The quake in Russia on Wednesday was among the strongest ever recorded — but perhaps not strong enough.

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What is the Pacific ‘Ring of Fire’?

Many of the world’s biggest earthquakes, volcanic eruptions and tsunamis occur along a chain of seismologically active regions that encircle the Pacific Ocean.

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Here’s the latest on the tsunami.

The 8.8-magnitude earthquake off Russia’s coast led to warnings and advisories across a broad region. Officials in Hawaii told people to expect destructive waves.

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New Data Shows Untraceable Fishing Fleets in Marine Protected Areas

Many ‘dark vessels’ fish illegally in oceans worldwide. New studies show how often they go into Marine Protected Areas.

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Hints of Life on Exoplanet K2-18b Recede Even Further

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions about what it will take to detect biology light-years away.

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Rip Current Survival Tips: What to Do if You Get Caught in One

From land, a rip current can appear relatively calm, as a strip of water that extends out between breaking waves. Its appearance can be deceiving.

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