Mars, the Red Planet, may have been much wetter in the distant past than scientists ever imagined. A groundbreaking discovery ...

Researchers examining Noachis Terra in Mars' southern highlands found evidence of extensive river networks – some hundreds of kilometers long.

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

The model Kite’s team built was unique in that it captured evolution of the Martian landscape and climate over an extremely ...

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

In a dramatic new discovery, scientists have identified over 15,000 kilometers of ancient riverbeds on Mars, revealing that ...