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

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

Sotheby's in New York is auctioning a 54-pound meteorite, the largest Martian rock ever found on Earth, with an estimated ...

The biggest piece of mars around 54-pound (25-kilogram) rock is up for auction in New York city. Its estimated auction price is about $2 million to $4 million.

A massive Martian meteorite is set to be auctioned at Sotheby's in New York. The meteorite, named NWA 16788, weighs 54 pounds ...

The Alice L. Walton School of Medicine welcomes its first students Monday with plans to teach a different approach to ...

Arkansas parents have a new tool to find quality, licensed childcare providers in their area.