Asteroid rocks begin to reveal our solar system's origins

Seismic signals have suggested Mars gets hit by around 300 meteorites every year, providing a new tool for dating planetary surfaces | “You could think of it as a sort of ‘cosmic clock’ to help us date Martian surfaces, and maybe, further down the line, other planets in the Solar System.”

Rare Samoan discovery offers clues to origins of inequality

What would happen if Earth was the centre of the solar system?