Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

The Pluto TV April 2025 lineup includes Earth Month content, a lineup of horror favorites for April Ghouls, new channels, ...

They show the gritty side of dinosaur life,” Lacovara said. “Dinosaurs were authentic beings that lived under their own ...

Photos show Greenland's culture, which has both Inuit and Danish influences. Its industry, cuisine, and more are shaped by ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

The Saya de Malha Bank is one of the world’s largest seagrass fields and the planet’s most important carbon sinks. It faces incalculable risks that threaten the future of humanity.

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

The amount of water stored on lands across Earth’s continents has declined at such staggering levels that changes are likely irreversible while humans are alive, a study published Thursday found.

Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving the planet ...

Researchers say it’s particularly worrisome for agriculture, and hope their work will strengthen efforts to reduce water ...

Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...