Two Neptune-sized exoplanets discovered around a young sun-like star

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered two new exoplanets around a young ...

Clues from the deep sea that an exploding star sent debris to the Earth 10 million years ago

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 ...