Simpson's paper, "How might a planet between Mars and Jupiter influence the inner solar system? Effects on orbital motion, ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

Until now, the inner Solar System looked like a mostly charted neighborhood. Astronomers tracked thousands of near‑Earth ...

Instead, some of it formed a disk that ultimately would condense into the planets and other, smaller members of the solar system. Here are the objects in our inner solar system. NASA’s Solar ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

The inner solar system spins much more slowly than the laws of modern physics predict, and a new study may help to explain why. A thin disk of gas and dust — known as an accretion disk ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers discovered that the inner portion of the Oort cloud likely has spiral ...

As a result, HD 20782 b experiences wild temperature swings as it travels from the inner solar system to the outer system on its 585-day orbit. One experienced planetary researcher wanted to know ...

A huge comet that is entering the final stages of a multi-million year journey towards the sun has entered the inner part of our solar system and is due to make its closest pass to Earth in July.