The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

Because that's how long it takes to orbit the sun when you're that far away. Tim Peake introduces Dallas Campbell. Dallas shows an orrery – a mechanical model of the solar system. Before the ...

A new AI model from the University of Bern predicts planetary systems likely to host Earth-like planets. It could boost the ...

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? In a paper ...

Apr. 15, 2025 — First ever supercomputer simulations of Mars with a fully molten core could explain the Red Planet's unusual magnetic field. Billions of years ago, Mars had an active magnetic field.

Narrator: Serious scientists, like myself, believe our solar system was ... they orbit the Sun, which is actually a star. This theory was known as the heliocentric model. It was controversial ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there are.

New research has revealed that the cosmological model developed by Nicolaus Copernicus, the renowned European Renaissance ...

Electrical efficiency Image: University of Manchester, Solar Energy, CC BY 4.0 Scientists created a numerical model to describe the system, incorporating heat convection, conduction, radiation ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and smaller than our sun. Located about 250 light-years from Earth in the Draco ...