Our solar system and galaxy were the first objects of study for what was going on in the universe. Among the various ...

There are plenty of awesome objects in the universe, made more marvelous by scientists’ ability to image and understand the laws and processes that make them possible. Each year, researchers make new ...

New strategies may soon allow scientists to test dark energy theories within our own solar system, linking cosmic-scale physics to local observation. Science advances through a cycle of proposing ...

This story comes from our special January 2021 issue, “The Beginning and the End of the Universe.” Click here to purchase the full issue. Some 4.6 billion years ago, our Sun was born from a cloud of ...

The clash of two galaxy clusters in Abell 2146 is teaching astronomers about the kinds of "collisionless" shock waves that occur in our own solar system. When you purchase through links on our site, ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spirals ...