The Latest Breaking News from Solar System

Only the third interstellar comet ever to be seen contains material from other star systems that can be observed close up

A European Mars probe witnessed the interstellar comet 3I/ATLAS' Red Planet flyby on Oct. 3, snapping imagery of the interloper from just 19 million miles (30 million kilometers) away.

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor and his PhD student Didier Queloz, working at the University of Geneva, announced they had detected a planet orbiting…

Free-floating planet is consuming gas and dust at a rate of six billion tonnes a second

ESA is making use of spacecraft originally dedicated to its Mars and Jupiter missions to track comet 3I/ATLAS as it continues its journey through our solar system

Comet Lemmon, discovered earlier this year, will make a close approach to Earth later this month, giving skywatchers the chance to see its surprising lime-green glow.

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into space.

A moon rock brought back over 50 years ago by the Apollo 17 mission has been connected with the birth of the Sea of Serenity — if true, it means the lunar mare formed hundreds of millions of years earlier than thought.

NASA's IMAP mission and two other spacecraft launched atop a SpaceX Falcon 9 rocket early Wednesday morning (Sept. 24) to study space weather and its effects on Earth.