Human life expectancy has just about peaked, according to a study published Monday in the journal Nature Aging, and barring a transformative breakthrough in medical science, people will top out at a ...

The origin of life continues to remain a matter of debate. The ribonucleic acid (RNA) world hypothesis proposes that 'ribozymes' which store genetic information and possess catalytic functions may ...

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Intelligent life may develop on planets as a rule, not an exception — increasing the odds of humanity existing beyond Earth, according to a new study. Researchers from Penn State University proposed ...

Astronomers have long sought signs of life beyond Earth, with exoplanets like K2-18 b — a world about 124 light-years away — offering tantalizing possibilities. In 2023 and again in April 2025, a team ...

The origin of life on Earth is still enigmatic, but we are slowly unraveling the steps involved and the necessary ingredients. Scientists believe life arose in a primordial soup of organic chemicals ...

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What if... you discovered the origins of all life on Earth, including humans? It’s a mystery that’s puzzled, frustrated, and fascinated generations of scientists ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees depicted in ...