Science experienced many first-of-a-kind feats this year. These are the groundbreaking achievements that grabbed our attention. Glowing threads of gas, galaxies and dark matter provided the first ...

We’ve now seen farther, deeper and more clearly into space than ever before. A stellar birthplace, a nebula surrounding a dying star, a group of closely interacting galaxies, the first spectrum of an ...

Seen just 800 million years after the big bang, an object called LAP1-B is a galactic building block that seems to hold some of the first stars to ever shine ...