Life is ubiquitous on Earth and appears in a diversity of forms. But what characteristics do organisms have? What makes them alive? This activity explores that question. In the first part of the ...

In order to evaluate how perfectionism is interfering with your work and life goals, it’s important to understand the different characteristics or traits of perfectionism. Which of these areas ...

In an RNA world, RNA was the first molecule capable of copying and storing information, and of starting and accelerating chemical reactions — two essential characteristics of life on Earth.

One of the most enduring questions is how life could have begun on Earth. Molecules that can make copies of themselves are thought to be crucial to understanding this process as they provide the ...

Related: 7 wild theories on the origin of life "I hoped to find at least one realistic path of abiogenesis, to explain abiogenesis by words of science," Totani told Live Science. "Sometimes people ...