A few streams on the Cumberland Plateau northeast of Chattanooga are the only places where a small freshwater fish called the laurel dace lives in the wild, so when drought struck the Southeast last ...

Red Dwarf icon delivers devastating health update as he cancels public appearances One Red Dwarf star has announced he is pulling out of public appearances for the ...

The Hubble Space Telescope captures the dwarf galaxy NGC 4449 in the constellation Canes Venatici (The Hunting Dogs).

This new dwarf planet may exist at the edge of the solar system, possibly disproving Planet Nine's existence. This is the story of that newly encountered planet.

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Diffuse dwarf galaxies cluster more strongly than do compact ones, bucking the trend in massive galaxies.

A team of scientists at the Institute for Advanced Study School of Natural Sciences in Princeton, New Jersey, might have found a new dwarf planet, potentially leading to more evidence of a ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach its closest point to the sun is in the year 26186.

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in our solar system.

A new study of diffuse dwarf galaxies is challenging the prevailing galaxy formation model within the standard Cold Dark Matter (CDM) framework, leading to a proposed new model of dark ...