WASHINGTON - Earth is an ocean world, with water covering about 71% of its surface. Venus, our closest planetary neighbor, is sometimes called Earth's twin based on their similar size and rocky ...

Venus may be a sweltering wasteland today, but scientists have questioned whether the planet was always so inhospitable. While previous studies suggested Venus might have once been covered in oceans, ...

It's possible that Venus and Earth once simultaneously existed as pleasant worlds hosting mild temperatures and oceans. Then, something went awry. In new research, planetary scientists simulated how ...

ASL STREAM - Often called Earth's twin, there is much debate over Venus' status as a watery world: If Venus had oceans, where did all that water go? Join Rita Parai from Washington University in St.

Although the Venus we know today is unfathomably hot and toxic, some researchers have long suspected that Earth's neighboring "twin" was once capable of supporting life. As the theory goes, Venus was ...