Glow in the light: Fluorescent materials

Fluorescent proteins move from the ocean to the lab. Read more in "Glow in the Light".

Earth’s water: It came from outer space

Scientists believe that Earth's water was brought here early in Earth's history. They think icy comets and asteroids bombarded the young Earth for hundreds of millions of years. According to astronomer Bob Kandel the impacts heated the ices, causing them to evaporate. Eventually there was so much water vapor in the atmosphere it would have rained out onto Earth's surface.

The deep sea: perceptions and media protrayal

How does the media portray the deep sea, and how does this coincide with what scientists discover about it? Read more about perceptions of the deep sea.

Faint sun paradox: smaller when Earth was warmer

The "faint sun paradox" has to do with the relationship between the sun's size and Earth's climate.

One brainy parrot’s last words

Over 30 years, Pepperberg taught Alex not just words, but how to count, recognize shapes and colors. Read the brainy parrot's last words.

Extreme summer warming with Barry Lynn

A recent study suggests that, by the 2080s, extreme summer warming in cities such as Chicago and Atlanta could hover above 100 degrees Fahrenheit. Read more.

Why global warming has left me dumbfounded

I've watched the global warming story unfold throughout my 30-year career in science journalism. For decades, scientists tried to be careful and conservative about this issue. Too careful and too conservative, I see now.

Don’t count on forests to keep us cool

Don't count on forests to keep us cool. Learn more about how trees in the far northern forests have been growing more slowly in the summertime.

Ancient climate change made plants shift range

Ancient climate change made plants shift range. Read more about the research with Jonathan Bloch of the University of Florida Museum of Natural History.

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