The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it ...

Several Cowboy State Daily readers wrote in to talk about their experiences with solar panels after a Happy Valley family ...

Spain's H2 Fusión says its Solar Heat PR5 system uses PV energy to produce hot water for self-consumption in industrial ...

To see the parade, find a dark place with a clear view of the western horizon at nightfall. Mercury and Saturn will be low in ...

A hidden structure at the farthest reaches of our solar system is challenging long-held theories. Using advanced simulations, ...

A shell of icy objects at the edge of the solar system known as the Oort cloud has a pair of spiral arms that resemble a ...

Researchers expect similar sodium salts to be found on the dwarf planet Ceres, in water plumes from Saturn's Enceladus, and ...

A very rare treat is about to grace Earth's night skies.

In reality, even as the near-Earth asteroid 2024 YR4 was moving away, ground-based telescopes were able to gather enough ...

Mercury has a rocky surface when, facing the sun, can reach highs of 800 degrees while overnight lows could reach minus 290 ...

Are 7 planets having a rare alignment in our night sky? News of this unusual celestial event has been flooding social media ...

The alignment involves Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, all visible on the same side of the Sun.