Sweden mysterious meteorite: New class of space rock may point to an ancient asteroid collision.

How an Asteroid Collision Between Mars and Jupiter Changed Life on Earth (Video)

Slate in motion.
July 3 2014 1:30 PM

A New Kind of Space Rock in Sweden

It could help explain an ancient boom of life on Earth.

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A strange meteorite has been discovered in Sweden, and it might be partly responsible for an explosion of life on Earth nearly 500 million years ago.

Jim Festante is an actor/writer in Los Angeles and regular video contributor to Slate. He is the author of the Image Comics miniseries The End Times of Bram and Ben.

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