Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern ...

There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...

In a remarkable discovery, astronomers have unearthed a six-planet system orbiting the star HD 110067, where the celestial bodies are locked in a rare resonance chain that resembles a perfect cosmic ...

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 ...

Orbiting in reverse around Neptune, Triton is a cosmic rebel with a secret past. This video dives into the evidence that suggests this giant moon was not born around the blue planet but was violently ...