"If a massive star were to explode as a supernova close to the Earth, the results would be devastating for life on Earth," ...

A supernova is a cataclysmic stellar death that leaves behind a black hole or neutron star. It is the biggest, brightest, and most violent type of explosion scientists have observed in the universe.

The brachiopod and molluscan fauna of the Productus Limestone is describes in detail with a wealth of references. Though only two new genera, Blandfordina (Limidæ) and Palæolecanites ...

A discovery of 470-million-year-old brachiopod fossils has been made in Zigui County, Hubei Province, offering new insights into the ancient ecosystems of the Ordovician period. The find is expected ...