Related topics: earth

Did water-based life originate without water?

When trying to understand the origins of life on Earth, researchers run into a paradox: while water is an indispensable solvent for all known life forms that exist today, water also inhibits the formation of string-like chains ...

Shallow soda lakes show promise as cradles of life on Earth

Charles Darwin proposed that life could have emerged in a "warm little pond" with the right cocktail of chemicals and energy. A study from the University of Washington, published this month in Communications Earth & Environment, ...

Study shows the Earth formed from dry, rocky building blocks

Billions of years ago, in the giant disk of dust, gas, and rocky material that orbited our young sun, larger and larger bodies coalesced to eventually give rise to the planets, moons, and asteroids we see today.

Scientists discover new 'origins of life' chemical reactions

Four billion years ago, the Earth looked very different than it does today, devoid of life and covered by a vast ocean. Over the course of millions of years, in that primordial soup, life emerged. Researchers have long theorized ...

Could the blueprint for life have been generated in asteroids?

Using new analyses, scientists have just found the last two of the five informational units of DNA and RNA that had yet to be discovered in samples from meteorites. While it is unlikely that DNA could be formed in a meteorite, ...

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