space
A Mysterious Object From Earth’s Distant Past Has Returned

A first-of-its-kind space rock filled with pristine material from the formation of the Earth itself has returned to the inner solar system, after billions of years in the cosmic boondocks. And it could help us piece together our planet’s origin story. Read More >>

space
Could There Be Massive Planets in the Far Reaches of Our Solar System?

A pair of new studies claim to have discovered two of the most distant objects ever seen in the outer reaches of the Solar System, including a “Super Earth” located six times further away than Pluto. It’s an extraordinary claim — and it’s also highly unlikely. Read More >>