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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.
October 20, 2022
Why were prehistoric insects so big?
Hundreds of millions of years ago, giant insects were common on Earth. In fact, prehistoric insects were here before the dinosaurs!
October 15, 2022
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.
October 14, 2022
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.
October 13, 2022
Why do leaves change color in the fall?
The vivid yellows, oranges and reds of autumn leaves are there throughout spring and summer, but hidden. Here's why leaves change color in the fall.
October 12, 2022
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.
October 10, 2022
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.
October 6, 2022
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.
October 5, 2022
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.
September 29, 2022
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.
September 29, 2022
