While the Earth is spinning to give us day and night, it is also moving around the Sun. This movement is called ... causes the phases of the Moon: This diagram shows how the Moon appears to ...

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

By an earth day we mean the length of time earth is exposed to the sun. By night we mean the duration for which the earth does not receive the sunlight. Since the earth takes 24 hours to go ...

Some lucky stargazers could have a double feature of the planet Venus this weekend. On Saturday and Sunday, the Earth will have an inferior conjunction (closest approach) with Venus, the sixth ...

Between Saturday night and Sunday morning, Venus will pass between the Earth and sun during its inferior conjunction. Though the transit is called an inferior conjunction, don't let the negative ...

This image provided by NASA/Firefly Aerospace, Tuesday, March 18, 2025, shows the sun setting on the moon, with Earth and Venus in the distance. (NASA/Firefly Aerospace via AP) NEW YORK (AP ...