NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the ...

One popular explanation for Jupiter's fuzzy core involved a catastrophic collision early in the planet's history. Scientists ...

For years, astronomers have searched the outer reaches of our solar system for Planet 9, a theoretical planet that could ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our ...

The core of Jupiter, the largest planet in our solar system, has long been a source of mystery for astronomers. Conventional ...

According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius of approximately 1.8R⊕, placing it within the intriguing radius valley area ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

NASA's James Webb Space Telescope has made its first observations of interstellar comet 3I/ATLAS, revealing that the comet ...