Scientists have discovered four tiny planets circling our second-closest star system, Barnard’s Star. The reddish ball of gas is only six light-years away from Earth in the constellation Ophiuchus.

Powered by one single pendulum clock, it provides a realistic image of the positions of the Sun, the Moon, the Earth and five other planets (Mercury, Venus, Mars ... The planets hang like wooden balls ...

The Sweden Solar System is the largest scale model of the Solar System in existence, and it spans the entire Swedish ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an inferior conjunction.

While Venus passes between the Earth and Sun every 19.5 months, it's only about every eight or so years that the planet becomes visible both after sunset and before sunrise, according to the ...

An inferior conjunction of Venus happens when the planet swings between the sun and Earth. Such an alignment happens about every 19 months because of how Venus and Earth orbit the sun. The moment ...

An inferior conjunction of Venus happens when the planet swings between the sun and Earth. Such an alignment happens about every 19 months because of how Venus and Earth orbit the sun. The moment ...