Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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

This month offers incredible views of six planets, including Venus-Saturn conjunction. See the dates for all of 2025's ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

The heat and light that it gives off helps to keep everything on our planet alive ... like a star. The Moon appears bright because it reflects light from the Sun. Like the Earth, half of the ...

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

The moon orbits around the Earth, rather than the sun, because it is within Earth's Hill sphere radius. Smaller planets like ...

Tyler Pasciak LaRiviere/Sun-Times file Share The Wolf ... a lunar occultation of Mars and a parade of planets. A lunar occultation occurs when the moon passes in front of an object, said Miller.

The planets in our solar system orbit the sun in more or less the same flat plane as the Earth, according to EarthSky.org, called the ecliptic. The celestial bodies near us, the sun and the moon ...