Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...

As the top-scoring entry in the Software Implementation of the Year award, the project earned the Judges' Choice distinction, recognizing the partner ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out and use just your eyes to make a giant figure ...

A twisting, whirling streamer of plasma escaping the sun in the aftermath of a coronal mass ejection (CME) has been captured ...