Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the ...

In research highlighted in a new paper, published today in The Astrophysical Journal, Scientia Senior Lecturer Ben Montet and PhD candidate Brendan McKee analysed changes in the timing of a known ...

The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

Mar. 11, 2025 — 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 ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets ...