Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the ...

NASA astronaut Don Pettit has snapped a striking shot of the super-bright comet racing past our planet for the first time in ...

The solar system consists of 8 planets, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each planet has its own unique characteristics, such as size, composition ...

Mars will appear its biggest and brightest this month when it reaches its closest position to Earth while simultaneously being opposite the sun. The Red Planet will be at its closest point to ...

Because we live on Earth, the most we could see is a maximum of seven planets total. However, they are not always in the same direction or sector, but rather scattered all around the solar system at ...

In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...

In 1831, a volcanic eruption flooded the skies with so much sulfur gas that it cooled the planet by nearly two degrees ... it even sullied the beaming visage of the Sun, turning it a somber ...

In the final hours of Christmas Day, the sun fired off four solar flares within ... that resulted from the M7.3 flare is predicted to miss our planet just to the north. CMEs are supercharged ...

It also needs to orbit the sun, and — importantly for the moon — a planet by definition is not a satellite of another object. The IAU's definition of a planet was finalized in 2006.

Tyler Pasciak LaRiviere/Sun-Times file Share The Wolf moon ... get to witness a lunar occultation of Mars and a parade of planets. A lunar occultation occurs when the moon passes in front of ...

One particular obstacle is the immense energy required to propel a probe toward the sun. Many spacecraft use maneuvers called gravity assists, swinging by a planet or moon to increase and decrease ...

But remember, that’s a grand illusion. The planets’ orbits around the sun are concentric ovals of cosmically different sizes, so any planets that appear side-by-side to us are actually ...