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If aliens existed on Mars 3.7 billion years ago, they would have needed umbrellasA vast network of inverted channels, formed of sediment laid by ancient rivers, implies Mars was once a much rainier place than we thought.
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Could signs of Mars life be hidden in its thick layers of clay?The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting environments for long stretches in the ancient past, a new study suggests.
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Long, dark 'streaks' spotted on Mars aren't what scientists thoughtA set of dark streaks that regularly wind across the Martian surface are more likely to be formed by dust and wind than by water, a new artificial intelligence analysis has revealed.
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Perseverance rover rolls onto 'Crocodile' plateau on Mars to hunt for super-old rocksNASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.
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Scientists find hint of hidden liquid water ocean deep below Mars' surfaceBy studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid water to flood the planet with an ocean thousands of feet deep.
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Life on Mars could survive — so long as you're one of these strange, hybrid lifeformsResearchers 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.
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Perseverance rover spots peculiar 'spider egg' rock on Mars — and scientists have no idea how it got thereOn March 11, NASA's Perseverance Mars rover spotted a mysterious rock made of hundreds of tiny spheres that resemble spider eggs. Studying its formation could help us look for fossilized remains of microbial life on Mars.
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If life can exist in your stomach, it can exist on Mars. Here's what it might look like.If life exists on other planets, it needs to be adaptable to extreme environments. To get a clue of what it might look like, we can turn to a surprising place: the human gut.
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Mars' red color explained by surprising new researchNew research has revealed that Martian dust's red hue comes from reactions that occurred in wet — not dry — conditions, and it could have implications for the possibility of life on the planet.
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