FILE – This Dec. 29, 1968 photo made available by NASA shows the large moon crater Goclenius, foreground,
approximately 40 statute miles in diameter, and three clustered craters Magelhaens, Magelhaens A, and
Colombo A, during the Apollo 8 mission. For the past 290 million years, giant rocks from space have been
crashing into Earth more than twice as often as they did in the previous 700 million years, according to
a new study published in the Thursday, Jan. 17, 2019 edition of the journal Science.