A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

The moon-planet-star trio are among the brightest objects in our solar system, meaning the impending conjunction should be incredibly easy to spot. A conjunction is an astronomical event in which at ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a caravan of robotic lunar landers including Jeff Bezos’ new supersized Blue ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with nothing but our eyes. Yet, that 238,855-mile gap between Earth and its lunar ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

The sun is the star at the center of our solar system. It's the largest, brightest and most massive object in the solar system, and it provides the light and heat that life on Earth depends on.