Earth ejecta, for instance, could hold Earth life.

There are six planets in the night sky all week, four of them visible to the naked eye and two of them getting very close indeed. Here's how to watch.

Plant Medic columnist Ricky Kemery shares his favorite gardening catalogs to peruse during winter and get ready for the ...

Venus and Earth, although they've taken two dramatically different climatic roads, are considered sibling planets. They're ...