As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

Snapchat Planets turns your friendship ranking into a tiny social solar system, where being Mercury is elite and Neptune ...

Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...

Of all the strange worlds in our Milky Way galaxy, some of the most mysterious are those hanging around white dwarf stars.

Two massive planets may have once existed in early solar system before being ejected, leaving behind evidence in unusual ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

On a clear night, it dominates the sky, bright enough to cast shadows and large enough for dark patches and surface features ...

Every June 30th, Asteroid Day marks the anniversary of the 1908 Tunguska impact and turns global attention to the science of ...

When astronomers discovered a giant planet orbiting a dead star in 2020, they wondered how it survived its star's violent demise. Now, observations from NASA's James Webb Space Telescope (JWST) may ...

Far beyond Neptune, strange patterns in the Kuiper Belt suggest something massive may be hiding in darkness. This story ...

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.

Searching for habitable worlds beyond our solar system involves more than having a planet orbit within its star's habitable zone, the region where temperatures could be just right for liquid water to ...