Earth,” dubbed HD 20794 d, boasts a mass six times that of our planet and resides within the star’s “habitable zone.” The ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Mars, once a planet abundant with water, now lies as a barren, arid expanse. Its surface features reveal a history where ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

With winds blowing at 20,500 mph, "the planet has complex weather patterns just like Earth and other planets of our own ...

Young supernovas could have spread water out into the cosmos, causing planet formations earlier than originally thought.

"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

NASA's upcoming Pandora mission, poised for launch later this year, promises to revolutionize our understanding of exoplanet ...

Thousands of mounds and hills in Mars' barren northern plains are full of clay minerals, providing evidence that the rocks ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...