"If you saw a rock on Earth like this, and you picked it up, it shouldn't be that heavy," Melbourne Museum geologist Bill Birch said. Dubbed the "Maryborough meteorite," it is filled with dense ...

So how did these Australian scientists determine that Hole's rock was not from Earth? First of all, it was really heavy, weighing in at seventeen kilograms, or 37.5 pounds [3]. "If you saw a rock ...

A new study has upended a long-held theory that asteroids brought water to Earth – as it turns out it may have always been ...

At 2.5 billion years old and weighing in at 2.5 tonnes, the banded iron formation is so heavy that Museum engineers had to reinforce the floor underneath it in Hintze Hall. 'The rock tells a ...

A mission will deliver rock and soil from Mars to laboratories on Earth in the 2030s. Mars Sample Return (MSR) is led by NASA ...

Curiosity’s instruments showed that this rock contained pure, elemental sulfur. “This has never been found on Mars before, ever,” Fraeman says. Science News sponsorship position. On Earth ...

Plants and animals also take a heavy toll on Earth's hardened minerals ... Critters big and small trample, crush, and plow rocks as they scurry across the surface and burrow underground.

The rocks on Earth are constantly changing due to many different processes. There are three main types of rock, with rocks changing between each type over millions of years. This rock recycling is ...