A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% ...

The Arkansas Stop the Violence organization recognized five people at its annual awards service. The honorees are Elder ...

100 years ago ...