NASA's Perseverance rover has just landed on Mars
Email It’s wheels down for the newest robot to inhabit Mars. Just before 4 p.m. eastern time, the hulking, multibillion-dollar NASA rover Perseverance landed safely on the red planet after a 300-million-mile journey and a nerve-racking plunge to the Martian surface. "Touchdown confirmed. Perseverance is safely on the surface of Mars," said Swati Mohan, an engineer on the Perseverance team. The one-ton, nuclear-powered Perseverance made a swift, acrobatic descent through the thin Martian atmosphere that, if all went well, has been captured on video for the first time. The rover autonomously...