But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that released large amounts of ferrous iron into the water. The earliest ...

To encourage children to plant and care for one tree is a hand-off of a little responsibility, a gesture of hope. It is a ...

Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

Climate change. It’s a topic that has given rise to a wide range of environmental discussions and decisions such as curbing fossil fuel use, shutting down coal plants, developing wind and solar ...

This is a great time of year to spruce up your yard and surroundings, and master gardener Sally Scalera has a few tips for ...

Play the USA TODAY Daily Crossword Puzzle. The variety of seedlings ... Using carbon dioxide through photosynthesis provides oxygen. The carbon can be found in every part of the tree.

If you enjoy eating fruit and want to grow your own, show up early ... Play the USA TODAY Daily Crossword Puzzle. The soil microbes consume the fertilizer and provide the plant with the nutrients ...

Researchers found LUCA, our earliest common ancestor, lived 4.2 billion years ago. It had a complex biology, affecting its ...