Every day, about 48.5 tons of space rock hurtle towards Earth. Meteorites that fall into the ocean are never recovered. But the ones that crash on land can spark debates about legal ownership. Every day, about 48.5 tons of space rock hurtle towards Earth. Meteorites that fall into the ocean are never recovered. But the ones that crash on land can spark debates about legal ownership. Planetary Sciences Phys.org – latest science and technology news stories