A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something very strange and very hot.

A discovery in V883 Orionis' planet-forming disk suggests Earth's water could have come from ancient interstellar ice that ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...

While Loeb is known for making some controversial claims and predictions in the past, he is still a very respected astronomer ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

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

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

Stretching billions of miles beyond Neptune, the Kuiper Belt is a vast ring of icy worlds — a frozen frontier where ancient ...

Solar panels can cut your bills and enable you to make some money back by selling energy to the grid. But for the best energy ...