Carbonate minerals contain carbon dioxide, which, when present in the atmosphere, warms a planet. These minerals suggest that carbon dioxide could have previously existed in the atmosphere in ...

Thank you, Cindy Murray, for your article about cats and birds. My family, also, let a cat be outdoors where it could kill ...

We, individually and our governmental systems, can only make good decisions if we can access verified information. In 1967, ...

Carbonate minerals contain carbon dioxide, which, when present in the atmosphere, warms a planet. These minerals suggest that carbon dioxide could have previously existed in the atmosphere in larger ...