Remember, the goal here is to measure the mass of some water. Since we are on the surface of the Earth, there is a constant relationship between mass and weight—so we are technically going to ...

The first mission to survey nearly all of the water on Earth's surface has launched. The international Surface Water and Ocean Topography mission, known as SWOT, lifted off aboard a SpaceX Falcon ...

The Surface Water and Ocean Topography (SWOT) satellite's main science instrument, called KARIN (Ka-band Radar Interferometer), "unexpectedly shut down" due to a problem with the high-power ...