Nearly a decade’s worth of data went into the first direct observation of sputtering on Mars, which researchers believe ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

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

Inhabiting Mars has long been a futuristic fantasy fueled by science fiction. However, successful landings over the past half ...

The idea of terraforming Mars—essentially reshaping the planet to support Earth life—has captured imaginations for decades.

Over a decade ago a theory was floated that a primitive civilization on Mars was eradicated by a nuclear explosion, but NASA ...

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

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for liquid water to exist on the planet’s surface, billions of years ago.

“We find that both exhibit strong linearly increasing trends, coupled with a large surge in magnitude between 330 and 220 ...

SpaceX CEO Elon Musk wants to send a cargo ship to Mars by the end of next year. Here’s why that plan likely won’t pan out.

Unlike Earth, Mars doesn’t have a global magnetic field to protect it from space weather. That left its upper atmosphere open to the solar wind—charged particles that stream out from the Sun.

Thick clay deposits on Mars hint at long-lived lakes that may have sheltered early life - and preserved clues beneath layers ...