Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar fingerprints of biology, researchers are training algorithms to spot the deeper ...

Within the next 20 years, human beings could discover life on other planets. It was this startling prediction—and the subsequent realization that kids sitting in elementary school classrooms today ...

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...