There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

Mars, our neighboring red planet, possesses some of the most extreme topographical features within our solar system. Its colossal volcanoes, canyons and impact craters offer clues into its ...

but this ancient shoreline on Mars seemed to lie inside a 2,050-mile-wide (3,300-kilometer-wide) impact crater called Utopia Basin. Utopia Basin is, in fact, the largest known crater in the entire ...

The holes, aka pits, are located on the flanks of ancient volcanoes in Mars's Tharsis region, the largest volcanic region ... University who studies impact craters throughout the solar system ...

While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with ...

Scientists have discovered kaolinite mineral on Mars, providing new evidence that the planet was once warm and wet.

A rocky stretch in Western Australia's Pilbara, near Earth's earliest-confirmed lifeforms, was hit by a meteorite about 3.5 ...