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 ...

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

She said it's less about seeing the planets in a line straight in front of us, like one behind the other, and more on a line ...

The stars may not be aligning on Friday night, but seven planets in our solar system just may be. For weeks, outer space ...

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

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

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

Another finding was how dramatically the planets varied in brightness over just three years. The team discovered that PDS 70 ...

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

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 ...

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 ...