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Articles on Origins of Life

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Astronomers think the most likely place to find life in the galaxy is on super-Earths, like Kepler-69c, seen in this artist’s rendering. NASA Ames/JPL-CalTech

Super-Earths are bigger, more common and more habitable than Earth itself – and astronomers are discovering more of the billions they think are out there

Newly discovered super-Earths add to the list of planets around other stars that offer the best chance of finding life. An astronomer explains what makes these super-Earths such excellent candidates.
Health workers get ready to spray insecticide in advance of the 2016 Summer Olympics, in Rio de Janeiro, Brazil, to combat the mosquitoes that transmit the Zika virus in this Jan. 26, 2016 photo. (AP Photo/Leo Correa, File)

Viruses can cause global pandemics, but where did the first virus come from?

Recent discoveries of ancient viruses are helping scientists understand their origins.
Hydrogen peroxide – widely used in hair bleach – may also hold the key to life on early Earth. Brandon Milner Photography/Flickr

Can bleach help solve the origin of life in the primordial soup?

A chemical found in hair bleach may help answer questions about the origins of life and explain why new life does not emerge on modern Earth. Hydrogen peroxide may have helped transform RNA (ribonucleic…

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