Stand on the surface of Mars without a spacesuit and you would lose consciousness in roughly 15 seconds. Not because of the ...

Tue, April 22, 2025 at 1:00 PM UTC One of the big remaining conundrums is what exactly happened in Mars’ ancient past that transformed the world from a wet and warm one to the cold, dry orb we see ...

NASA confirms that Mars has air, but its composition and extremely low pressure raise a far more serious question: could a ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

When the surface of the Sun exploded with activity in May 2024, Earth was hit by the biggest solar storm in more than two decades. The video shown below—made from images captured by NASA’s Solar ...

Mars' atmosphere has been of interest to scientists for decades, especially as humanity looks to set up outposts on the Red Planet. Recently, the European Space Agency's ExoMars Trace Gas Orbiter gave ...

Mars’s atmosphere may have once been hundreds of times thicker than it is today, acting as a blanket that protected it from frequent asteroids that ravaged other planets. While the sun and most ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, researchers think they have a good explanation for a warmer, ...

ST. LOUIS – From monstrous tsunamis to building-shattering earthquakes to flood-inducing downpours, mother nature is a force to be reckoned with. We’re all tired of this extreme weather here on Earth ...

All evidence points to Mars having had a carbon dioxide-rich atmosphere billions of years ago, but insufficient carbonates in Martian soil challenge this theory. Now, a new study using data from ...