Astronomers discover dense super-Neptune exoplanet orbiting a sun-like star

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...
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Wobbling exoplanet hints at a hidden exomoon so massive it could redefine the word 'moon' altogether

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring ...
Forbes

Meet ‘Planet Y’ As New Evidence Suggests Secret World Beyond Neptune

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 ...

Two new exoplanets and the need for new habitable zone definitions

At the beginning of the exoplanet age, the goals were fairly simple. The first was to find as many of them as possible to ...