THE question arises whether meteorites in general have had a common origin, and in particular whether the stone meteorites have had an origin different from that of the iron meteorites. One line of ...

Scientists have studied a rare iron meteorite in detail, discovering what orbit its parent body occupied before crashing into Earth. It is the first iron meteorite for which such orbit has been ...

TEN chondrites and two siderolites have been investigated, using electron-probe microanalysis to measure the concentration of nickel in the metallic phases. Information about the composition of the ...

A space rock that crashed in Somalia decades ago lay partially encased in sand until 2020, when researchers dug it up and sliced into it for samples. Inside the 15 ton meteorite — the ninth largest ...

A meteorite is a piece of rock that originated in space, then survived the fall through the Earth’s atmosphere to end up on the surface of our planet. We estimate that nearly 5000 rocks weighting more ...

In July 1969, the crew of the Apollo 11 brought back nearly 48 pounds (22 kilograms) of pristine lunar rocks from the most incredible — and expensive — rock-collecting expedition in history. NASA had ...