The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

The sounding rockets released vapor tracers and pressure sensors at different altitudes across central and northern Alaska ...

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

NASA's Perseverance Mars rover captured a giant dust devil devouring a smaller storm swirling closely behind on the rim of ...

For over half a century, scientists suspected a quiet but powerful electric field might be influencing Earth’s upper ...

NASA’s AWE mission just released millions of gravity wave images from space, unveiling atmospheric forces that ripple through ...

The ice-giant planet Uranus, which travels around the sun tipped on its side, is a weird and mysterious world. Now, in an ...

NASA's Perseverance rover captured two swirling dust devils in January on the surface of Mars after summitting the Jezero Crater.

NASA’s James Webb Space Telescope used its Near-Infrared Spectrograph to capture Neptune’s auroras in stunning detail.

When NASA’s Orion spacecraft shoots back into Earth’s atmosphere, after a visit around the moon next year, one of the Navy’s ...

Experts are not sure why Neptune's auroras can be seen around the planet's "mid-latitudes," and not the north and south poles ...