Q&A with Scott Bolton, principal investigator on NASA’s Juno mission

A Japanese H-2A rocket launched at 5:58 p.m. EDT (2158 GMT) Sunday from the Tanegashima Space Center with the Emirates Mars Mission’s Hope orbiter, the UAE’s first probe to Mars.

With meandering canyons four times as long, and twice as deep, as the Grand Canyon in the American Southwest, the crust of Pluto’s moon Charon may have been shaped by violent eruptions and geology once thought improbable for a small body in the far depths of the solar system, scientists said Thursday.

Watch a replay of the Atlas 5 rocket launch with the GOES-S weather satellite from Cape Canaveral, as seen from the Kennedy Space Center press site around 4 miles from the launch pad.