The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

A new machine learning model has predicted that there are 44 Earth-like planets in other star systems in the Milky Way galaxy, with researchers from Switzerland claiming that the algorithm at the core ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

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

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study. A combination of cosmic processes shapes the ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for Einstein's general relativity may rewrite that rule. When you purchase ...

Beyond our solar system, sub-Neptunes — gassy planets larger than Earth but smaller than Neptune — reign as the most common type of exoplanet observed in our galaxy. Despite their prevalence, no such ...