Apr. 15, 2025 — First ever supercomputer simulations of Mars with a fully molten core could explain the Red Planet's unusual magnetic field. Billions of years ago, Mars had an active magnetic field.

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Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of ...

NASA is also working to evolve key technologies that will enable low-cost exploration missions to Mars and throughout the solar system. This includes what is considered to be the most important ...

Combined with the increased radiation during deep space travel and the body changes caused by low gravity, Mars dust could create a perfect storm of health problems. As NASA’s Artemis program works to ...

NASA's Curiosity rover has found iron-rich carbonates on Mars, offering new clues about the planet's ancient climate and potential habitability. While slowly climbing the slopes of Mount Sharp ...

Geologists weigh in on a long-running debate about Mars: Billions of years ago, was the Red Planet warm and wet or cold and dry? Visit ancient Mars -- a surprisingly temperate planet where snow or ...

NASA has revealed a 328-foot-wide hole on Mars, potentially a gateway to subterranean caves that could harbor alien life. These pits, formed by meteor impacts, might offer protection from harsh ...

Researchers bombarded lichens with a year's worth of Martian radiation in just 5 hours — and they survived, hinting that the extremophiles could potentially live on the Red Planet.

On Mars, which has a thin atmosphere (less than 1% of Earth's) and no ozone layer, about 30% more damaging UV radiation reaches the surface. However, numerical modeling predicts ice and snow ...

A British-built Mars rover stuck on Earth since the start of the war in Ukraine may soon be on its way after the UK Space Agency agreed to pay for its ride down to the Red Planet. The European ...