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

and the shape of Earth's orbit around the Sun -- interact to drive ice age cycles over the past 900,000 years. Barker said that without the Industrial Revolution, assuming fossil fuels had never ...

Earth will be hosting a "mini-moon" starting this weekend. Also sometimes called a "second moon," the small asteroid will ...

The nodes gradually rotate around the Earth, and they complete a full revolution in 6793 days, which is approximately 18.6 years. An eclipse can only occur when the Moon is in a node and the Sun ...