A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

What if there’s a planet hiding in our solar system, 10 times larger than Earth? While this theory has yet to be confirmed, ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

The path of totality will carve an arc of darkness across the surface of our planet – at the height of the August tourist ...

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

Neptune stands stationary against the background stars of Pisces the Fish at 11 A.M. EDT. The solar system's most distant ...

World Asteroid Day 2025 is upon us! Here's how you can celebrate the event by livestreaming real-time views of near-Earth ...

Mars, the planet that rules over your fortune ... It is expected that the transit of Saturn will occur in the eighth house, which is located within the Solar System. Generally speaking, this is not ...

Forget Planet 9 — that hypothetical giant in the distant realms of our solar system. Two University of Arizona planetary dynamicists say we should be looking closer in for a body about the size ...

Legendary "Star Trek" actor William Shatner wants Elon Musk's help to convince President Trump to restore Pluto to greatness as scientists claim to have found a “new” ninth planet.

Three US astronomers find a "10th planet", the largest object found in our Solar System since 1846.