Everything you’ve ever stood on, every rock, every continent, every grain of sand, may have been manufactured in a single cosmic trap hiding behind the biggest planet in our neighbourhood. How does ...

Asteroids are some of the oldest objects in the Solar System: leftovers from the chaotic time when planets were assembling from dust and rock. They’re time capsules, preserving clues about what the ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s concept shows the inner regions of a protoplanetary disk around a young star. Planets grow within the disk from ...

Some 4.6 billion years ago, when the solar system was born from a vast cloud that collapsed to form the sun and a surrounding disk of whirling gas, no planets yet orbited our star. Back then, besides ...

A small, round piece of asteroid Ryugu (sample #91), called "S-lunar," contains tiny particles (less than 1 mm) that will allow planetary scientists to study the magnetic signature of the early solar ...