Polaris's proximity to the North Celestial Pole varies due to Earth's precessional wobble, a cyclical shift of its rotational axis. This precession, caused by gravitational forces from the Sun and ...

Paleoclimate records for the last 400,000 years in the study region of Hajar mountains, Oman. This includes alluvial records of wetter (blue) and drier (orange) conditions from both the sample sites ...