A total lunar eclipse kicks off March. Jupiter is well placed most of the night, while Venus shines brilliantly and Uranus is ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

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 ...

Here is a list to help you keep track of many current and scheduled space missions. We’ve gathered a selected group of high-profiles ones, listed them below, and linked to official sites where you can ...

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.

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 ...

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 ...

Saturn’s four brightest moons are lined up for ideal viewing this evening. You can catch the ringed planet for a few hours after sunset, as it slowly sinks toward the western horizon. Around 7 P.M.

Two-thirds of our stellar neighbors are cool M-class dwarf stars. The remaining third is a mixture of white dwarfs; type K, G, F, and A main sequence stars; and a handful of T- and L-class brown ...