Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

THIS tract, by the famous chemical philosopher whose seventieth ... in connection with the uniform scale and composition of the universe, that most stars the masses of which are known are of ...

Their chemical composition is so simple that we can treat them as the ... The reason this is important is that there are no first-generation stars left in the universe. Without heavier metals to ...

The willingness of the 4f orbitals of lanthanide metals to participate in chemical reactions is as ... formed in the early moments of the universe. But our star is also rich in other elements ...