Researchers have studied presolar supplies that landed on a planet-like physique. Their findings might assist resolve the thriller: the place did all of the water on Earth come from?

The uncommon isotope iron-60 is created in large stellar explosions. Solely a really small quantity of this isotope reaches the earth from distant stars. Now, a analysis workforce has found iron-60 in Antarctic snow for the primary time. The scientists counsel that the iron isotope comes from the interstellar neighborhood. ...

Researchers have uncovered the connection and pinpointed the sort of stellar outburst that produced the stardust grains.