Have you ever seen the closest planet to the sun? Usually lost in the sun's glare — so in the daytime sky — from our point of view on Earth, Mercury only occasionally becomes visible just ...

Elongation is the angular distance between a planet or other solar system body, and the sun as seen from the Earth, according to the night-sky tracking website StarWalk. While Mercury will be ...

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing ...

If you can find a view low to the western horizon on Monday, March 10, you may see a rare conjunction between Venus and ...

The first Mercury retrograde of the year goes from Saturday, March 15 to Monday, April 7. Retrogrades are optical illusions ...

Also in the morning sky is little Mercury, but traditionally for Northern ... so), it's positioned on the far side of the sun as seen from Earth and through telescopes its disk appears quite ...

You may already know that Mercury retrogrades — which occur when the messenger planet appears to move backward from our vantage point on Earth ... you might not see major forward movement ...

See Richard Meagher's full Q&A » For geneticist ... He can no longer eat the fish he catches from the lake near his home in Georgia. Mercury from industry has seeped into its waters.