Somewhere between 4,000 and 5,000 light-years from Earth, inside some of the densest clouds of gas and dust in the Milky Way, frozen water, carbon dioxide, and carbon monoxide coat countless tiny ...

Add Yahoo as a preferred source to see more of our stories on Google. Noctilucent clouds glow above the horizon after sunset. The rare clouds form nearly 50 miles above Earth's surface in the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Skywatchers across northern Europe are reporting spectacular ...

Young star systems are a place of violent collisions between rocks, comets, asteroids and larger objects as the dust and ice of a stellar nebula coalesce into planets and moons. But the largest ...

Tiny particles of space dust could be vital for creating the complex molecules needed for life more quickly, scientists say. An international team including researchers from Heriot-Watt, Friedrich ...

In 2004, astronomers spotted a planet-like object orbiting Fomalhaut, one of the brightest stars in the night sky. With further observations, however, it started to look more like a dust cloud—a ...

WEST LAFAYETTE, Ind. — Sixty-six million years ago, an asteroid about the size of Mount Everest smacked into Earth near where the Yucatan Peninsula is today. That impact created the Chicxulub crater ...

Clouds come in all shapes and sizes, but one of the rarest forms where clouds seemingly shouldn’t exist at all: nearly 50 miles above Earth’s surface, at the edge of space. “Noctilucent clouds are the ...