Though plastic is usually inert, tiny pieces of it have the potential to react with one of the most pervasive molecules in the environment and in our bodies.

Though scaled back from initial plans of landing, the voyage will serve as a dress rehearsal for when humans return to the moon’s surface.

Astronomers have discovered a rocky exoplanet that has an atmosphere and sits within the habitable zone of a solar system.

For two weeks, medical experts monitor the astronauts as they remain indoors, live in isolation, and avoid physical touch, all to prevent harmful microbes from traveling to space.

A team of geologists found for the first time evidence linking regions of low seismic velocity and the shape of the Earth’s magnetic field.