Polaris has long guided travelers with its fixed spot in the night sky Earth's axis points to Polaris, making it a vital celestial compass Axial precession shifts Earth’s pole over a 26,000-year cycle ...

That star, named Polaris, is the brightest in the constellation of Ursa Minor, "The Little Bear".

To better understand the circadian clock in modern-day cyanobacteria, a Japanese research team has studied ancient ...