An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a Sun-like star, ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

"It’s a really exciting find — Barnard’s Star is our cosmic neighbor, and yet we know so little about it," Ritvik Basant, an ...

Scientists have identified another possible commonality between Earth and Mars: a solid inner core. Scientists have ...

The four exoplanets orbit Barnard’s Star so closely that their years last only a few Earth days. They are probably rocky and, ...

The planet's internal structure comprises four layers: a rocky crust on the outside, then a rocky mantle, an outer core made of magma and a solid inner core. This metallic inner core, about 1,500 ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.

Simulated stellar explosions show that massive early stars could have created plentiful water for future stars and planets to ...

This led to the formation of the terrestrial planets—Mercury, Venus, Earth, and Mars—which are composed primarily of rocky substances ... the center to form a core, while lighter materials ...