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 ...

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 ...

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

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

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

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

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

Scientists found an intriguing world in our galaxy.

An unidentified interstellar object, possibly eight times Jupiter’s mass, may have disrupted the solar system’s planets.

The exoplanet, which has been named HD 20794 d, orbits in the ‘habitable zone’ of a nearby star similar to our sun.