Ozone hole continues shrinking in 2022

Earth's ozone hole over Antarctica was biggest between September 7 and October 13. The depleted area was smaller than last year and continued a shrinking trend of recent years.

Longest nonstop bird flight: A new world record

A bar-tailed godwit has flown 11 days and 8,425 miles from Alaska to Tasmania, Australia. This sets the new world record for longest nonstop bird flight.

Mississippi River hits record low levels

The Mississippi River has hit all-time lows in some areas. A hot, dry summer has led to lower water levels, revealing bones and boats. Read more here.

What causes ocean waves?

Energy passing through water creates ocean waves. Some are even hazardous. Here's what you need to know, in this 30 second video.

Why the Endangered Species Act keeps failing

The Endangered Species Act is a case of too little, too late. Only a tiny fraction of listed flora and fauna have recovered. Read more.

How likely is an Earth-like origin of life elsewhere?

Retired astrophysicist Daniel Whitmire says that an Earth-like origin of life (abiogenesis) is probably very likely on other rocky worlds similar to our own.

How satellites harm astronomy: what’s being done

Satellites harm astronomy in different ways, marring optical and infrared images and interfering with radio astronomy. Learn what can be done.

Dino-killing asteroid caused global tsunami

The dino-killing asteroid of 66 million years ago created a global tsunami, with some 30,000 times the energy of the 2004 Indian Ocean tsunami.

Weather whiplash more frequent in warming world?

Weather whiplash events are when conditions shift abruptly between extreme weather. Scientists say this will become more common as the Arctic warms.

Hurricane Ian devastates Florida’s Gulf Coast

Hurricane Ian made landfall at Coya Costa, Florida, on the afternoon of September 28, 2022. Learn more about the storm, its intensity, and its destruction.

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