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 ...

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 — ...

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 ...

The third and final Mercury retrograde is starting from Nov. 25 until Dec. 15. The Perseid meteor shower kicks off Thursday, July 17, but that isn't the only thing to watch for; the Mercury Retrograde ...

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 ...

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 ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

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 ...

Summer is here, and Mercury goes retrograde from July 17 until August 11 — the retrograde begins after the full moon lunar phase this month, with no shortage of passed-down mythologies and theories.