In the face of a changing environment, citizens of the American Southwest must reevaluate how to use one of our most precious resources.

Certain molecules are known to be responsible for the existence and evolution of living systems, but are there other molecules at play as well?

Researchers found that human sperm is responsible for more than simply transferring DNA to an egg. It may also play a role in embryonic growth.

Researchers are finding that genetics may play a role in how people invest their money, from playing it safe to taking more risks.

Researchers suggest that Neanderthals didn't go "extinct" because they were unfit for their environment. They may have been so successful that they became hybridized with early humans.

A new stem cell technique has the potential to yield an unlimited supply of lung tissue for transplants.

A group of researchers has uncovered some of the tricks used by E. coli to survive, which can help us develop better weapons against these disease-causing bacteria.

We can add an over-abundance of nitrogen to the list of effects that humans are having on Earth's ecosystems. How large will the impact be?