The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Catch Tallahassee Astronomical Society’s free planetarium show “February Skies over Tallahassee,” at the Fogg Planetarium on ...

It actually follows its own tiny elliptical orbit around what is called the center of gravity (the barycenter) of the system, the sun and the orbiting planets. This barycenter is usually not equal ...

Astronomers mistook a Tesla Roadster that was launched into orbit in 2018 for an asteroid earlier this month. The registry of ...

At the beginning of the year, scientists at the Minor Planet Center at the Center for Astrophysics, Harvard and Smithsonian, ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

A near-Earth "asteroid" recently spotted by astronomers poring through telescope data has turned out to be Elon Musk's car.

How on Earth was a Tesla Roadster electric sports car confused with an asteroid and what was it doing orbiting the sun in the ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

However, since planets orbit the Sun in different orbits in three-dimensional ... of substellar flybys on the dynamical excitation of minor planets in the asteroid belt and the trans-Neptunian ...

That puts it only slightly farther than Mars' current orbit of 1.5 AU from the sun. The simulations show that just one substellar object flyby was sufficient to alter the giant planets' trajectories.