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.

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.

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

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

The researchers included the father-son team of Mark Thiemens, UC San Diego Distinguished Professor of Chemistry and ...

Meteorite Contains Evidence of Liquid Water on Mars 742 Million Years Ago Nov. 13, 2024 — An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space.

NASA scientists have uncovered significant human-driven changes in the global water cycle over the past two decades.