Mars’ moons are easily visible at night from the Red Planet. Larger Phobos is brighter, while smaller Deimos is still brighter than any star.
Experience the awe of ancient history and the spectacle of a rare celestial event on this 5-day journey to Luxor, centered around the August 2 total solar eclipse. With an incredible totality of 6 ...
Through the early 1900s, astronomers disagreed on whether the universe was home to a multitude of galaxies, so-called “island universes,” or contained entirely within the boundaries of the Milky Way ...
Jupiter reaches its best apparition in a decade for northern observers and offers a wealth of detail. Joining in late evening is brilliant Mars, now a month from opposition. Saturn is visible in the ...
Asteroid 44 Nysa may be just past opposition, but it’s still placed perfectly for evening viewing in Cancer the Crab. Wait until a few hours after sunset, when Cancer is high in the eastern sky, and ...
The Moon is Earth’s only natural satellite. Whether enjoying a lunar eclipse or observing the Moon’s surface, it has many fascinating features to explore.
A wonderful celestial event known as a total lunar eclipse will occur in the skies above North America during the morning ...
Karen Meech doesn’t spend a lot of time digging through Earth’s rocks. An astronomer by trade, she is usually behind the telescope, investigating comets and looking for hints about how Earth got its ...
In less time than it takes to snap your fingers, the universe flashed into existence. Cosmogenesis is the breathtaking story of how this happened. It includes, in its later moments, the creation of ...
A series of powerful observations has made it clear that our universe has expanded for billions of years, emerging from the hot, dense state we call the Big Bang. Over the past several decades, new ...
The long nights of December are an astronomical delight. The early evening sky hosts Saturn as the main feature, along with Uranus and Neptune. Jupiter rises later and is visible all night, its four ...
The Moon has always beckoned. Long before our ancestors realized “wandering stars” were actually planets sharing the solar system with Earth, they recognized the Moon was a sort of sibling to our ...