The 46-year-old Voyager 1 spacecraft is on the fritz again, and this time it may be critical. As one engineer said, “this is, by far, the most serious since I’ve been project manager.” Here are our top science stories from this week.
A previously unknown satellite may be shaping the rings of Chariklo, a petite body that orbits the Sun between the orbits of Saturn and Uranus, according to a team of astronomers that recently simulated the rings’ dynamics.