Start out the week with a two-for-one bonus in the hindquarters of Leo the Lion. Already high in the south at sunset, the Lion is perfectly poised for evening observing. Focus in on magnitude 2.6 ...

Mercury will reach its greatest eastern elongation on Oct. 29, marking one of the best evenings to see the planet this fall as it appears farthest from the sun's glare in the twilight sky. As the ...

CAPE CANAVERAL, Fla. – Earthlings are in for a treat Monday as Mercury makes a relatively rare transit of the sun. The solar system’s smallest, innermost planet will resemble a black round dot as it ...

The solar system’s smallest planet makes its best morning appearance of 2011 in early September. Often obscured by the Sun, Mercury appears brightest before dawn on the 3rd, providing a great view to ...

An upcoming astronomical event will provide a rare opportunity for amateurs to observe a technique scientists are using to search for planets around stars. On May 7, Mercury will pass in front of the ...

Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. Mercury will reach its greatest eastern elongation on Oct. 29, marking one of the best evenings to see the ...