Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

Planetary scientists led by Paolo Sossi have determined that Earth assembled almost entirely from material originating in the ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms. The way we learn the order of the planets is the classroom version of ...