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 ...

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.

To successfully look for life beyond our own solar system, astrobiologists desperately need a viable definition of life. Even after a century or so of debate, they lack a viable universal definition ...

People often feel that they can intuitively recognize whether something is alive, but nature is filled with entities that flout easy categorization as life or non-life — and the challenge may ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What is life? This is a question that is often asked and typically confused. The confusion starts ...

Earlier today, we reported that, ahead of NASA's official press conference, that what the Space Organization had actually found was a new step in the order of life itself, and not extraterrestrial ...

NASA officials announced March 12 that ancient Mars could have supported primitive life. But this begs the question: What exactly constitutes life? Merriam-Webster.com defines life as "an organismic ...

Life on Earth is composed of a handful of essential elements from the periodic table. Recently, one group of researchers claimed that this ingredient list should be expanded, having found a bacteria ...