A new NASA study reveals a surprising way planetary cores may have formed—one that could reshape how scientists understand the early evolution of rocky planets like Mars.

Analysis of a space rock that landed on a frozen Michigan lake revealed a rich array of extraterrestrial organic compounds. Learn how the meteorite might have been incorporated into life on Earth.

We think of impact events as being disastrous for life,” Harvard geologist Nadja Drabon explains, but one such impact by a ...