The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...

Science teaches us that stars are much larger than planets, but what about large planets that orbit small stars? This is what a recent study published in Nature Astronomy hopes to address as a team of ...

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 ...

Meet HD 98800, a nearby quadruple‑star system in the constellation Crater. It sits about 150 light‑years away and is 10 million years old.

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star—a predicament never previously observed. This exoplanet, as planets beyond our ...

Is the moon a star or a planet? The correct answer is "neither," but that's not the consensus reached when the argument comes up in this funny TV clip. During a recent show for the QVC shopping ...