Researchers now appreciate that gas planets are more complex than first thought. New findings have implications for our ...

A Martian volcano breaks through the clouds in a spectacular image captured by the Odyssey orbiter. This unprecedented view ...

For years, scientists have puzzled over why Earth and Mars are missing certain key elements. Now, a fresh study suggests ...

Climate scientist Kate Marvel talks to The Washington Post about the complicated mix of emotions people might feel about the ...

Ancient Greek astronomers were the first to gather knowledge about space exploration. Richard Branson and Jeff Bezos could ...

The image, captured by NASA ’s Mars Odyssey orbiter, is the first of its kind: a volcano on the Red Planet seen on the ...

Radio signals sent between two Mars orbiters—rather than between an orbiter and an Earth-based receiver—capture new insights into atmospheric dynamics.

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

NASA’s car-sized Perseverance rover has been roaming the surface of Mars for four years, drilling into the alien soil to ...

NASA's car-sized Perseverance rover has been roaming the surface of Mars for four years, drilling into the alien soil to ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall ...