Study reveals an interstellar object's impact on planetary orbits, reshaping solar system dynamics. Discover how simulations ...

Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...

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

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

When we first began searching for planets around other stars, one of the surprising discoveries was that there are planets orbiting white dwarfs. The first exoplanets we ever discovered were white ...

HD 20794d orbits its star with two other super-Earth planets, designated b and c, which orbit their star every 18.3 and 89.6 days, respectively. These were discovered in 2011 by a team of Geneva ...

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

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Florian said the planetary parade should be visible throughout Alberta until the end of February, with the last Earth-visible ...

Stargazers can witness a rare 'planet parade' in January and February 2024, where six planets align prominently in the night ...