A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ...

NASA has abruptly lost contact with a key spacecraft circling Mars, cutting off a scientific workhorse that has spent years ...

Single-cell bacteria, in shallow marine waters, altered the composition of liquid and air – as the planet heaved around them. Their fossils still stand, not far from you.

Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, challenging previous notions that small planets that orbit closely to their stars ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Fresh JWST data and new models challenge methane hints on TRAPPIST-1e, showing the gas would be rare, unstable, and difficult ...

The Geminids meteor shower has proven to reliably produce around 120 meteors per hour in a dark sky, and many of them are ...

NASA’s James Webb Space Telescope observations reveal TOI-561 b has a cooler-than-expected dayside, indicating a thick atmosphere above a global magma ocean, based on infrared emission measurements.

Regina Barber and Emily Kwong of NPR's Short Wave discuss an Earth-sized exoplanet, how ant colonies deal with disease and a possible link between volcanoes and the Black Death.

Known as the “hypertropics,” this climate is defined by hot drought conditions—and hasn’t been seen on Earth for tens of ...