Emily Singer

An RNA molecule that can make copies of a variety of RNAs adds new support to the RNA-world theory.

A new anole on the island of Hispaniola confirms that ecological communities can follow predictable patterns.

When life first emerged roughly 4 billion years ago, DNA may have been a much more malleable molecule.

To develop new model organisms, scientists will have to find species that are easy to grow in the lab.

The infamous case of Typhoid Mary underscores the importance of tolerance in understanding disease.