Engineers at Johns Hopkins ran the fullest rehearsal yet of the nuclear-powered drone's first autonomous flight over Titan, ahead of a launch no earlier than 2028 and arrival in 2034.
A 60-page investigation into witness accounts around Fort Duchesne, released in a new batch of Pentagon UFO files, pairs tales of upright dog-like creatures with hair that matched a local dog.
NASA's Perseverance rover has directly measured fine and ultrafine Martian dust on spacesuit swatches, data intended to shape suit, habitat and health protections before astronauts arrive.
A retrospective survey of messaging extraterrestrial intelligence traces the field from Fermi's 1950 lunchtime question and Hart-Tipler scepticism to the naming of the practice in 2006.