Breaking Barriers in Space Leadership! Janet Petro has made history as the first woman to lead NASA as its acting ...

The signs of wave ripples in the sandy shores of ancient lake beds, created as wind pushed water back and forth have been found on Mars providing evidence that there were open bodies of water, not ...

NASA employees received a memo from acting agency administrator Janet Petro, Wednesday, mandating the closure of all ...

Ancient ripples suggest a warmer, wetter past for the Red Planet that supported open water on its surface.