Ever since the dawn of the Space Age, humans have been obsessed with boundaries—between planets, between galaxies, and ...

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

Venus Passes Between the Earth and Sun This Weekend -- but Don't ... A conjunction happens when two celestial bodies appear close together in the sky. It could be two planets, or a planet and ...

This dazzling planet, which dominated the evening sky from last fall on through the ... Mars also continues to gradually fade as it recedes from the Earth. During April its distance from Earth ...

Venus will pass between the Earth and sun on Saturday during ... happens when two celestial bodies appear close together in the sky. It could be two planets, or a planet and the sun.