Mars keeps refusing to behave like the dead, simple world many scientists once imagined. Each new rover trench, fractured ...

NASA is racing to understand why one of its most seasoned Mars orbiters suddenly fell silent, cutting off a critical scientific and communications lifeline around the Red Planet. The Mars Atmosphere ...

Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, ...

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 ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

Researchers using NASA’s James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...