Turkey's Sea of Marmara is on the brink of environmental collapse. Pollution, overfishing and climate change are depleting its oxygen. The crisis became visible when a thick layer of algal slime first ...

The new robot NASA sent to Mars is called "Perseverance". Its mission? To search for evidence of past life on the Red Planet - an important and ambitious endeavor. It took years to design the space ...

Jade for courage, amethyst to improve concentration and rose quartz for love. Social media influencers are driving demand for quartz and gemstones. But these pretty materials are mined under ...