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 ...

A Long March 6A lifts off from Taiyuan, Jan. 13, 2026, carrying the Yaogan-50 (01) satellite towards a highly retrograde orbit. Credit: CASC HELSINKI — China conducted a pair of Long March rocket ...

Artist’s impression of the nu Octantis system. Image generated by ChatGPT-4.0 and further modified by Trifon TRIFONOV using the GNU Image Manipulation Programme. Most stars in the Universe exist in ...

Add Yahoo as a preferred source to see more of our stories on Google. Here's what it means and what to know. Three to four times a year, the planet Mercury appears to travel backward across the sky — ...

A team of astronomers observed a confused exoplanet orbiting its two parent stars in a highly unusual way. As New Scientist reports, the planet, which was first discovered in 2004, is located in a ...

Through the looking glass: Astronomers have uncovered a planetary system that challenges long-held beliefs about where planets can exist. This discovery suggests the universe may hold far more ...

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 ...