Venus will pass between the Earth and sun during what’s called an inferior conjunction. But don’t plan on seeing the linkup.

Scientists were astonished when the Mariner 10 spacecraft sent evidence of a global magnetic field enveloping Mercury. Space missions to the outer planets have revealed global magnetism on Jupiter ...

NASA’s Mariner 10 space probe was the first spacecraft to complete a flyby of Mercury. The first of its three encounters with the planet took place on this day in ...

In both cases, the spacecraft's own gravity will also pull on Jupiter, but with minimal effect because of the planet's massive size. After Mariner 10, Flandro's supervisor asked him to explore ...

This image provided by NASA/JPL-Caltech shows Venus taken from NASA's Mariner 10 spacecraft. (NASA/JPL-Caltech via AP) NEW YORK (AP) — Venus will pass between the Earth and sun on Saturday ...