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

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

The early solar system is still a bit of a mystery to scientists, but the secret to learning Jupiter's origins might be ...

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 ...

Scientists have been left puzzled after spotting that the mysterious interstellar object in our Solar System is 'bleeding' ...

The asteroid belt is found orbiting between Mars and Jupiter and is a vast collection of rocks that is thought to be a planet ...

New simulations suggest that Mercury's formation could be the result of a rare collision between two celestial bodies of ...

Scientists have discovered new information about the interstellar object nearing Earth which could reveal facts about the ...

When NASA's Osiris-REx spacecraft delivered its sample from asteroid Bennu to Earth in 2023, scientists opened an ancient time capsule. Inside it were grains of dust and rock older than our solar ...

Earth gazed into the cosmos, wondering if she would ever get a new planetary neighbor. To her astonishment, one day... it happened. This video explores the breathtaking and chaotic consequences of a ...