Astronomers have glimpsed the inner structure of a dying star in a rare kind of cosmic explosion called an "extremely stripped supernova." In a paper published today in Nature, Steve Schulze of ...

Supermassive black holes have been observed when the Universe was still very young, far too early for them to have formed ...

Researchers in England believe carbon played a key role in freezing Earth’s core. As it contributes to the cooling and freezing of the molten outer core, the solid, iron-rich center of Earth continues ...