The Earth is a wondrous place, but some of the most stunning things sometimes come from off-world. Take, for example, pallasite meteorites – extra-terrestrial rocks that are strung through with ...

Heritage Auctions will present an eclectic mix of rare meteorites, fossils, and gemstones in a virtual sale that highlights some of Earth’s—and the cosmos’s—most striking natural artifacts. Leading ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...