NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

Astronomers may have discovered a new type of planet beyond our solar system, according to new research. The exoplanet, named "L 98-59 d," was first identified in 2019, but further observations using ...

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action via executive order.

Using ground-penetrating radar, NASA's Perseverance rover has discovered subsurface traces of an ancient river delta on Mars.

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world today than it once was. Scientists believe the planet used to have a thicker ...

The team compiled what they describe as a "catalogue of opportunity" - a shortlist of worlds sitting in the so-called habitable zone, where conditions may allow liquid water to exist.

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.

Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like ...