Recent observations of the Kuiper Belt have revealed anomalies that suggest the presence of an undiscovered Neptune-sized ...

Astronomers have unexpectedly discovered the heaviest Neptune-like planet yet — one more than four times the mass of our solar system's Neptune — yet it remains a mystery how the world might have ...

Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

A team working with data from the dearly departed Kepler space telescope has reported a possible moon orbiting an exoplanet some 5,000 light years away. It falls somewhere between the size of Earth ...

Although the exoplanet TOI-1853 b is roughly the size of Neptune, its mass is almost twice that of any other known planet of comparable size. For this reason, TOI-1853 b should not exist, at least ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For decades, images taken of Neptune have looked like the planet has ...

An international scientific team led by the University of Geneva (UNIGE), including members of the UNIGE Astronomy Department, the National Centre of Competence in Research PlanetS, the University of ...

For the first time, astronomers have discovered what could be an exomoon, a moon outside our solar system. The so-called exomoon, which is estimated to be the size of Neptune, was found in orbit ...

In October 2018, astronomers discovered what they thought could be an exomoon, a moon outside our solar system. The exomoon, which is estimated to be the size of Neptune, was found in orbit around a ...

Artist’s concept of a Neptune-sized planet, left, around a blue, A-type star. UC Berkeley astronomers have discovered a hard-to-find gas giant around one of these bright, but short-lived, stars, right ...