More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...
In 2021, a Google Maps satellite image surfaced online showing a bizarre, pitch-black triangle in the middle of the Pacific ...
Perseverance's drives over the last few weeks have doubled back several times. Why such an unconventional route? Team ...