The closest technological species to us in the Milky Way galaxy could be 33,000 light years away and their civilisation would have to be at least 280,000 years, and possibly millions of years, old if ...

Carbon dioxide consumes our thoughts – and rightly so. Its emission from power plants, car exhausts and the burning of natural habitats is making our world warmer and warmer – a fact seriously ...

As humans burn fossil fuels and pump carbon dioxide into the atmosphere, we are heating up the planet. But there is another alarming impact of this climate pollution: it may be changing the chemistry ...

Excess carbon dioxide emitted by human activities—such as fossil fuel burning, land-use changes, and deforestation—is known as anthropogenic carbon dioxide. Approximately thirty percent of this ...

Communities found in South Africa called microbialites look like green-tinged rocks, but they grow. Although they resemble some of the oldest evidence for life on Earth, new evidence indicates they ...