Happy finders!

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 grounded for good on Earth.…

Supernova art

The Star That Wouldn’t Die

Observations of a stellar explosion that refused to fade away have astronomers scratching their heads. What created the blast — and could it explain massive black holes?