Lunar pits are depressions or holes on the Moon’s surface. They are often formed by the collapse of surface material into underlying voids, such as lava tubes or magma chambers. Mare ...

With its iconic mountains, rivers, and coastline, it’s easy to overlook the adventure of discovering some of Oregon’s ...

“This kind of lunar landing assessment hasn’t been ... the Vallis Schroteri is believed to have been formed by a collapsed lava tube that flowed from the Cobra Head crater located on the ...