In a remarkable cosmic event observed on November 2, 2025, scientists had the rare opportunity to witness a dead star annihilating a planet in real time. This observation builds upon previous ...

Recent astronomical observations have revealed a startling reality: aging stars are far more destructive to their orbiting ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

the constellation Orion with the Orion Nebula Cluster as the central “star” in the sword of Orion, the Pleiades and the Hyades. All three open clusters are highlighted by large yellow circles. Orion ...