Some of the most influential voices in planetary science and space-inspired culture will take center stage on Feb. 14 as Lowell Observatory hosts “A Night of Discovery,” the keynote event of Lowell ...

For the first time, a fleet of orbiters and a rover circling another world has captured detailed views of an interstellar visitor as it swept through the inner solar system. As comet 3I/ATLAS brushed ...

Mars orbiters have given astronomers an unexpected new vantage point on 3I/ATLAS, sharply tightening estimates of the interstellar visitor’s trajectory through the inner solar system. By combining ...

This past week, nonagenarian Don Kelsey — a retired educator and handyman — visited Lowell Observatory with family and friends to introduce them to an old friend whose story threads through some of ...