Night-owls and early risers across North America can watch the full Moon go through a total eclipse in the early hours of Tuesday, April 15th.
The annual Geminid meteor shower, one of the best shooting-star displays each year, returns to our skies late this week.
Comet ISON is brightening fast just days from its fateful hairpin swing on November 28th around the broiling surface of the Sun
Tiny, greenish white, and harder to see every day, Comet ISON is descending toward the sunrise horizon and its November 28th perihelion.
The Sun will rise on November 3rd with a big bite missing from its lower half for viewers from Florida to Labrador.
Soon after sunset on September 8th, look in that direction to see a dramatic sight: a pretty crescent Moon paired closely with dazzling Venus, the "Evening Star."
Here's how to spot Comet PanSTARRS low in the west after sunset when it's at its best, from about March 12th to 18th.
On June 5th in North and Central America, and June 6th in Asia, Australia, and most of Europe, the planet Venus will cross in front of the Sun.
NASA's Curiosity lander will finally land on Mars on August 6th. But how many people know that you can go out after sunset and spot Mars for yourself with your unaided eyes?
An assortment of photographs and illustrations for the upcoming transit of Venus across the face of the Sun.