Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...

Add Yahoo as a preferred source to see more of our stories on Google. Six planets will be visible during the February 28 planetary alignment. A six-planet “alignment” will be visible on Saturday, Feb.

Have you noticed that heavy, slightly electric feeling in the air lately? It's not just the spring transition. There is a ...

CC0 Usage Conditions ApplyClick for more information. Dr. Ricardo Mar, Faculty of Architecture, Universitat i Virgili, Tarragona, Spain, describes how the alignment of the architectural features of ...