Scientists often look to distant galaxies for answers, but sometimes those clues are hidden beneath Earth’s oceans. In a ...

Debris is still raining down on Earth more than 100 million years after the giant cosmic explosion that created it. A study ...

Researchers have detected the isotope plutonium-244 in the Pacific seabed. It was created by a cosmic explosion that occurred ...

Scientists uncovered traces of plutonium-244 in deep-sea crust, revealing a continuous cosmic rain from a kilonova explosion ...

(Craig Taylor/iStock/Getty Images Plus) A sprinkling of radioactive plutonium atoms hidden in the ocean floor may trace back ...