But a survey of Venus' Ovda Regio highlands plateau — remapped with radar data gathered by NASA's Magellan mission, which studied Venus between 1989 and 1994 — shows the flow type is more ...

Radar image of Venus' Ovda highlands region. The bright areas are highland plateaus, and the curious dark spots are mysterious areas at the highest elevations. (Image credit: NASA) ...

Scientists have been hopeful that the planet Venus was once home to an ancient ocean - but a new study has suggested otherwise. Experts now believe the planet once flowed with lava, not water.