You are right, science is not bound to Earth and also even "the past, present and future" seem too narrow to me. Science is about understanding anything which w

You are right, science is not bound to Earth and also even "the past, present and future" seem too narrow to me. Science is about understanding anything which we are curious about, and that may include alternative timelines which do not lay neither in the "the past, present nor the future" and also the time itself.