You can never truly empty a box. Why? Zero-point energy.

Snowpack levels across a wide swath of western US states are among the lowest seen in decades, even as regulators struggle to negotiate water rights in the region.

As the EPA moves to roll back the endangerment finding, which allows it to regulate greenhouse gases, experts predict uncertainty for business and a protracted legal fight.

Meditation isn’t thinking about nothing. New research reinforces that it’s a mind-altering, dynamic state that promotes focus, learning, and well-being.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.