Wildlife Photographer of the Year has launched its sixty-second competition, calling for entries from photographers across the globe of all nationalities, backgrounds and experience levels.
The Millennium Seed Bank at the Royal Botanic Gardens Kew marks its 25th anniversary. It stores over 2.5 billion wild plant ...
Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...
A new study has revealed how phosphorus, a nutrient essential for photosynthesis, surged into ancient oceans and started ...
The Santa Cruz Sentinel’s Letters to the Editor for Oct. 19, 2025.