For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

A suite of scientific balloons is about to lift off from NASA’s Columbia Scientific Balloon Facility’s field site in Fort Sumner, New Mexico, carrying instruments that will help scientists understand ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...