Early Tuesday morning, a delicate, wispy cloud type rarely seen formed over western Montana, lighting up the pre-dawn sky.

Stars are far from calm entities. They can erupt in spectacular bursts of energy that disrupt the space around them, and ...

What on Earth is going on with the American consumer? U.S. workers are not sure whether to buy that new car — or brace for a recession Last Updated: June 4, 2025 at 5:34 a.m. ET First Published ...

Solar flares can reshape exoplanet atmospheres within days, affecting temperature, winds, and potential habitability.