Protoplanetary disk

Solar System

The Origin of Earth’s Water

Scientists have discovered a new candidate source for Earth's water: building blocks of the primordial solar system known as enstatite chondrites.

Young solar system

Solar System

Radioactive Aluminum Sheds Light on Solar System History

Astronomers thought giant stars were reponsible for flooding the early system with a radioative isotope — but the Sun itself might have made it.

ROV Hercules

Solar System

Nautilus Expedition Recovers Possible Seafloor Meteorites

The expedition off the coast of Washington state performs a first, recovering meteorite fragments from a documented fall.

Happy finders!

Solar System

Michigan Meteorite Tally Multiplies

They look like leftover gravel from a freshly laid asphalt road, but the black stones that spattered across the snow in the wake of the January 16th Michigan fireball were anything but terrestrial. They belonged to a tiny asteroid on a recent foray to the outer asteroid belt but now…

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