The meteorite weighs about 54 lbs. and is approximately 15 inches across at its widest section, per the release. The house ...

The amount of pore space in most unweathered granite is too small to support a plant-based ecosystem. But porosity grows as intact rock interacts with surface waters beneath the soil.

The rock could sell for up to $4 million. Key PointsA rock from Mars is going up for auction at Sotheby's and is estimated to sell for $2 to $4 million.The rock was found in the Agadez Region of Niger ...

The biggest piece of Mars on Earth is going on sale and is set to become the most expensive space rock in the world. The 54lb ...

Micrometeorites raining down from space may have provided the perfect surfaces for the first primitive cells to form on Earth ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...