It must have cleared all other celestial bodies, except its own moons, from its orbit.

This means that Pluto is not a planet, but a dwarf planet. In our solar system, there are five dwarf planets: Ceres, Haumea, Makemake, Eris and of course, Pluto. So, what does it mean to ‘clear ...

Astronomers have been curious about the makeup of Ceres, the largest object in the asteroid belt, ever since its discovery by ...

Large galaxies, like the Milky Way, attract smaller galaxies. Our solar system's cosmic neighborhood spans 100,000 ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

Scientists Discover Planet ... dwarf. The star type was uncertain. The team has determined that the star is a white dwarf, a system ... ESO Telescope Captures the Most Detailed Infrared Map ...

Winds of Change: James Webb Space Telescope Reveals Elusive Details in Young Star Systems Oct. 7, 2024 — Planet ... dwarf, a system ... ESO Telescope Captures the Most Detailed Infrared Map ...

We're showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India ...

A solar wind event squashed the protective bubble around Uranus just before Voyager 2 flew by the planet in 1986, shifting ...