For decades, scientists have puzzled over why Earth stayed warm and alive while Mars turned cold and dry. Both planets began ...

"As this type of technology develops, it's going to have spinoff benefits for sustainability technology here on Earth as well ...

Explore the race to Mars! Discover NASA, SpaceX, and China's plans, their groundbreaking goals, and the challenges of reaching the Red Planet.

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