As their structures break down, the wrecks could release toxic substances into the environment.

Colliding with ships is a top cause of whale deaths. A new study maps the areas of highest risk, showing where proven strategies such as speed limits and new shipping routes can reduce the toll.

Fast population growth has left more people in flood-prone areas of Gulf Coast communities, including Houston and New Orleans. Often, those residents at most risk are the most socially vulnerable.

Kids love digging and may not realize the dangers a hole in the sand can pose.

A new study shows how often lightning strikes and how it behaves, often hitting the ground with multiple strikes from the same flash.

The US, a minor liquefied natural gas supplier a decade ago, now is the world’s top source. That’s good for energy security, but bad for Earth’s climate. An energy scholar explains the trade-offs.

Rip currents are a leading cause of near-shore drownings, but there are effective ways to survive one. And these phenomena also play important ecological roles that are an emerging research area.

Moving entire communities threatened by rising seas isn’t as far-fetched as it sounds.

Telling people they have a flood risk rating of 10 is less powerful than explaining how much they’re likely to pay to deal with flooding over the next five years.