Volcanoes are fascinating natural wonders that have both awed and frightened humans for centuries. But could these fiery ...

Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf ... by the Search for habitable Planets Eclipsing Ultra-cool Stars (SPECULOOS) project located at the Paranal ...

The closer a planet is to its star—especially a cool planet, like Earth—the more difficult it will be to distinguish its dim, reflected light from the booming glare of its sun. This task is ...

Climate change is already pushing Earth’s systems to the brink. And as progress toward emission reductions stalls, the idea of controlling sunlight to cool the planet may become more tempting.

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.

The Earth needs to chill and showering it in ... too quickly may prove ineffective at scattering enough sunlight to cool the planet sufficiently," and those that "clump too easily could trap ...