Science information this week: A quasi-moon and a lonely spy whale

Space is as vast as it is mysterious, so maybe it’s not shocking that we’ve forgotten alien star method debris floating all over in our planet’s orbit, but what about a “quasi-moon” that has been circling Earth given that 100 B.C.? How did that slip by means of the web? Maybe we were being too fast paced seeking for aliens expressing hello there.

Back again on terra firma, archaeologists in South Africa found 153,000-calendar year-old footprints that are the oldest Homo sapiens tracks on document — a discovery that remaining the workforce who identified them “pleasantly astonished.” A different pleasantly astonishing uncover was the selection of 2,700-year-aged petroglyphs depicting folks, ships and animals learned in Sweden.