Kathy Jacobs told EarthSky that we'll all have to adapt to climate extremes by using water more sustainably. But sustainable water use will mean different things in different places.

Today is the day on which we begin consuming more resources than Earth is producing - and producing more waste than Earth can absorb - for 2009.

Many animals can get as big as their environment and diet allow.

Flames get their "tongue-like" shapes from the way burning gases move and interact under earthly gravity.

The kind of ants you see in your kitchen probably have a few thousand of these "smell cells," and the cells are tuned to different classes of odors.

Larry Mayer, referring to the United Nation’s Law of the Sea, a 27-year-old treaty that allows countries to extend their maritime boundaries - if they back their claim requests with science. To support the U.S. claim, Mayer and his team have mapped more than a million square kilometers of seafloor since 2003.

Birthstones are special stones associated with each month of the year. They have a place in history, mythology and science. Check out the special story of your birthstone.

Astronomers use computers to study stars in the Milky Way and in a star cluster called Omega Centauri to learn more about the origin of copper.

Parrotfish an anemonefish can live for a while as male fish or female - but different hormones kick in and cause it to change.

Mylea Bayless said bats might face extinction due to a fungus called 'white nose syndrome.'