Asking a biologist to define 'life' is a bit like looking-up the word 'definition' in a dictionary — it's as if you're questioning their very existence. Biologists like myself don't agree on what life ...

A central question of astrobiology concerns the origin and distribution of life in the Universe. For this reason, astrobiology can be considered to fall within the science called transitional biology.

Definitions of "life" are a dime a dozen. In a paper published back in 2011, University of Haifa biophysicist Edward Trifonov documented 123 of them. But which one is best? Trifonov decided to seek ...

Scientists have debated the definition of life for decades, but they still lack a consensus on the answer. Experts believe that "edge cases" make life difficult to define and blur boundaries across ...

What is life? Like most great questions, this one is easy to ask but difficult to answer. Scientists have been trying for centuries, and philosophers have done so for millennia. Today our knowledge is ...

Although biology is the study of life, even biologists don't agree on what 'life' actually is. While scientists have proposed hundreds of ways to define it, none have been widely accepted. And for the ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. I didn't catch Dr. Peter Kennedy's column “Child is ‘produced' at beginning of pregnancy” (March 29, ...