When you're scooping out the fireplace, save the ashes to fertilize plants in the garden. Here are seven plants that thrive when you add wood ash to your garden.

“It’s a milestone in solar physics,” said Ioannis Kontogiannis, a solar physicist at the Swiss Federal Institute of ...

The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into ...

Using lunar ice to make rocket fuel could help future lunar settlements sustain themselves and provide a launch pad for ...