Asteroid Dust Could Help Cool the Climate, Scientists Say
A new study links an asteroid collision to a cooling period and a burst of biodiversity 466 million years ago, and suggests that asteroid dust could help the climate crisis today.
A Piece of Space Junk Has The Best, Most Existential Twitter Account
An art project imagines what a piece of space junk would say if it could talk back to Earth, and to other decommissioned satellites in orbit.
Space Junk Orbiting Our Planet Has Become a Big Mess
NASA estimates that more than 100 million man-made objects the size of a grain of salt and larger are circling the planet, risking damage to the International Space Station and other objects in orbit.