Scientists have confirmed that DNA found in meteorites includes all five nucleobases essential for life, strengthening ...

How life on Earth first arose is one of the most profound mysteries of science, and evidence is mounting that the key building blocks may have been delivered to our home planet from space. A new study ...

NASA's OSIRIS-REx mission found ingredients for DNA and RNA on the asteroid Bennu. The discovery shows asteroids could seed planets with the precursors for life. It's also more evidence that life ...

A fresh examination of meteorites that landed in the United States, Canada and Australia is bolstering the notion that such objects may have delivered to Earth early in its history chemical ...

A trio of unique meteorites show evidence for fundamental building blocks of life, two of which astronomers had not previously identified in space rocks. In a new paper published Tuesday in the ...

Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences (IOCB Prague) Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

This diagram depicts the chemical structure of pyrimidine, a six-membered aromatic ring with two nitrogen atoms at positions 1 and 3 (highlighted in blue). The remaining positions are occupied by ...