People sometimes ask what would happen if the Sun suddenly exploded, often after seeing a dramatic film or picture online. It is an understandable question, especially for children, because the Sun ...

In May 2024, part of the sun exploded. Subscribe to our newsletter for the latest sci-tech news updates. The sun is an immense ball of superheated gas called plasma. Because the plasma is conductive, ...

Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the mantle, ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...