Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

Scientists have been left puzzled after spotting that the mysterious interstellar object in our Solar System is 'bleeding' metals in a way that has never been observed before.

An interstellar comet, 3I/ATLAS, is speeding through our solar system in 2025, marking only the third such visitor. Traveling at 130,000 mph, it will make close approaches to Mars and Jupiter, ...

The timing of Earth's early formation points to a planet that started out dry. So, life’s essential building blocks arrived later, but how?

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

Webb Telescope spots a carbon-rich disk around a distant planet, CT Cha b, offering rare clues to how moons may form.

A curious Calgarian took to Reddit to share that an entire model of the solar system appeared downtown near the Saddledome.

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s 32% and Mars ’ 25%. It’s unlikely that the core actually formed like this.

The James Webb Space Telescope has confirmed that something is falling from the sky near a neighboring planet in the Milky Way. The telescope is powerful enough to look deep into the cosmos and look ...

The uncommon interstellar visitor, comet 3I/ATLAS, is captivating astronomers worldwide as it races through our solar system at an astonishing speed of roughly 130,000 mph (219,000 km/h).