According to an alternative model of how intelligent life emerges on planets like Earth, the existence of aliens—and human ...

Researchers present an alternative to the long-held “hard steps” theory to explain the evolution of complex life, suggesting ...

Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of ...

Planet ‘parades’ are not uncommon. While occasionally spotting 4-5 planets is not unusual, sighting the alignment of all 7 ...