
Space
Astrophysicists observe primitive comet 1.5 billion miles from the sun
Astrophysicists observe primitive comet 1.5 billion miles from the sun A team of astronomers led by UCLA professor David Jewitt
Astrophysicists observe primitive comet 1.5 billion miles from the sun A team of astronomers led by UCLA professor David Jewitt
Nineteen miles up, experiment reveals Earth microbes’ likely fate on Mars Understanding the limits on what microbial life can endure