'Martian' sunspot 15 times wider than Earth could soon bombard us with solar flares (photo & video)

Watch terrifying aliens invade Earth in new trailer for 'A Quiet Place: Day One' (video)

NASA launches a billion-dollar Earth science mission Trump tried to cancel | “It has been a long, strange trip," says the top scientist on NASA's PACE mission.

NASA found a super-Earth. It's in a tantalizing place.