We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp.

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting what we know about the cosmos again. An international team from Taiwan, ...

Our dark skies will be even darker this summer. Most of the visible planets in our solar system are slowly disappearing from the night sky, in what some astronomers call a “planet dry summer” that ...