WASP-121 b is the definition of an "extreme" exoplanet — it's so hot that it rains droplets of liquid iron. Now, astronomers ...

Powerful winds charged with metals have ... planets." She added: "It feels like something out of science fiction." DON'T MISS ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

Some exoplanets rain molten iron, others are largely composed of diamond ... Kepler-16 b: The Real-Life Tatooine Science fiction fans have long dreamed of planets with two suns. And Kepler-16 b, ...

We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation ...

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese ...

The recent paper's case for green oceans in the Archaean eon starts with an observation: waters around the Japanese volcanic ...