Live coverage of the countdown and launch of an Atlas 5 rocket with NASA’s Perseverance rover heading for Mars. Text updates will appear automatically below. Follow us on Twitter.
NASA’s New Horizons team has discovered a chain of exotic snowcapped mountains stretching across the dark expanse on Pluto informally named Cthulhu Regio. One of the dwarf planet’s most identifiable features, Cthulhu (pronounced kuh-THU-lu) is a bit larger than the state of Alaska and stretches nearly halfway around Pluto’s equator.