Among our solar system’s planets, Mars seems a likely spot for future human habitation. Elon Musk is developing an interplanetary vehicle that may someday…View More The Martian Subsurface: A Shielded Environment for Life?
Recently, an interstellar object named ‘Oumuamua entered our solar system. It was the first such observed object in recorded history. Scientists were thus already…View More Mainstreaming SETI: ‘Oumuamua and Light-sails