A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star. Only the fourth object of its kind ever found, the planet could reveal clues as to how planets such as ...

We have discovered thousands of exoplanets in the last few decades, while the number of planets in the Solar System has ...

NASA's TESS satellite made the find. A Neptune-sized planet closely orbiting its host star has just been discovered, making it only the fourth object of its kind ever identified. Scientists ...

Both of the ice giant planets, Uranus and Neptune, lacked what's known as a "dipole magnetic field." This was in stark contrast to our own rocky world, as well as the two gas giants Jupitar and ...

Over the last ten years, OPAL has observed Uranus' northern hemisphere, which has faced the inner solar system for the ...

The JWST’s spectra data also showed the huge amount of various ices with different volatilities and how they are made. Chiron ...

Explore the world of exoplanets—distant planets that captivate scientists. Visit ExtremeTech to learn what makes them so ...

A study with the James Webb Space Telescope led by astronomer Noemí Pinilla-Alonso clarifies the characteristics of the ...

and it was only discovered in 1846 after calculations of Uranus's orbit suggested there was an as-yet unknown planet affecting it gravitationally. Since then, the planet has only been visited once by ...

Kuiper Belt, well past the orbit of Neptune (artistic illustration). There may be an undiscovered planet in the outer solar system whose presence is revealed by the strange orbit of objects beyond ...

We have discovered thousands of exoplanets in the last few decades, while the number of planets in the Solar System has remained at eight – but our discovery of more might not yet be over.