Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. From July 17 to Aug. 10, Mercury will appear to move ...

What happens when a planet defies every expectation of how worlds are supposed to form and move? In the nu Octantis system, astronomers have confirmed the existence of a planet that orbits in the ...

Astronomers have made a groundbreaking discovery that defies the conventional understanding of planetary formation in binary star systems. A planet orbiting in a retrograde direction—opposite to its ...

Retrograde mean motion resonances occur when orbiting bodies, moving in directions opposite to the dominant sense of motion, experience periodic gravitational interactions that can stabilise their ...