That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune orbit most stars. Oddly, our sun lacks such a planet. That's been a source ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

Planet formation used to sound straightforward: dust clumps into rocks, rocks grow into worlds, and the rest is detail. A ...

Unveiling the Latest Spacenews Magazine Discoveries This issue of Spacenews Magazine is packed with some seriously cool ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

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