SpaceWe may have seen signs of an exomoon spewing out volcanic gas Astronomers have spotted a plume of sodium near a distant planet. The gas is so far from the surface that they say it must have come from a volcanic exomoon News
SpaceWe may be witnessing the birth of an exomoon around a distant world A planet 370 light years away appears to be surrounded by a disc of dust the like of which we’ve never seen before. It may eventually turn into rings or moons News