Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Observe the sky today as the historic seven planets parade is visible from America. Stargazers will be excited to see this on ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

While the planets are technically always "aligned" along the same plane in our sky, seeing so many at once is a special ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

While this parade of planets look to our eyes to be huddled in the evening sky, they are of course spread out across a vast chasm of space across the solar system, separated from each other by ...

Brown’s thinking is that a planet-sized object in the darkest reaches of the solar system could be tugging on the orbits of the Kuiper objects. ‘By observing the motion of other objects in the ...

Simpson's paper, "How might a planet between Mars and Jupiter influence the inner solar system? Effects on orbital motion, obliquity, and eccentricity," was published in Icarus, a journal devoted ...

More information: Emily Simpson et al, How might a planet between Mars and Jupiter influence the inner solar system? Effects on orbital motion, obliquity, and eccentricity, Icarus (2024).