The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

NASA has shared details of what to look out for in the night sky this month, with the moon appearing alongside a parade of ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...

Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.

HELENA — The planets are aligned. Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky.

Our solar system was doing just fine without humanity for 99.995% of its lifetime Our Solar System is quite “young”, at least as far as solar systems go. Using radiometric dating, scientists were able ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

NASA has found something on Uranus and Neptune. The ice giants of the solar system have long been enigmas for science.

The presence of life on Earth causes oxygen to be abundant in the atmosphere, and in this Earth is unique in our solar system. Without life ... and Neptune are of similar size and color, although ...