There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and ...

In 1986, the people of Cameroon woke to an unthinkable nightmare. Lake Nyos, a seemingly calm body of water, had silently released a massive cloud of carbon dioxide, suffocating more than 1,700 people ...

Scientists trying to work out whether a star exploded and the resulting debris crashed into Earth 10 million years ago may be one step closer to solving the mystery. They discovered an unusual amount ...