The richest woman of all is Walmart heir Alice Walton, whose fortune stands at an estimated $101 billion. She reclaims the ...

Pale rocks on the red planet reveal a watery past and suggest the potential for life. Sometimes, scientists have to dig, work ...

NASA's Perseverance rover isn't just hunting for signs of ancient life on Mars, it's also testing spacesuit materials right ...

“While the dust on Mars isn’t going to be the most dangerous part of a mission to the Red Planet, it’s definitely a hazard ...