A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

Learn when and where to see Comet Lemmon and Comet SWAN this October as they light up the night sky in a rare double comet ...

Venus is called Earth’s Twin Planet because of its similar size, mass, and structure. However, with scorching temperatures ...

In the depths of the Earth, hidden within some of the planet’s oldest and deepest rocks, lay a secret 4.5 billion years old.

Double comet… oh, my god, double comet, all the way across the sky! If you’re ready to have your mind blown contemplating the ...

Natural glass fragments scattered across South Australia are now pointing out a giant asteroid impact that took place around ...

Astronomers believe they may have uncovered evidence of a hidden Earth -size planet lurking in the outer solar system. Dubbed ...

The Adirondack Sky Center & Observatory is thrilled to be your guide to the skies. In this column, I’ll be clarifying some of ...

The rings of Saturn are among the wonders of our solar system, with a diameter of roughly 175,000 miles (280,000 kilometers) as they encircle the giant planet. But smaller celestial bodies in the ...