After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the ...

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

With a $621,000 award from NASA, University of Massachusetts Amherst microbiologist James Holden will dedicate the next three years to “predicting” the nature of life on Europa.

For years, scientists believed that Mars was a dry and barren world. However, recent research has revealed something incredible: evidence of ancient oceans, rivers, and lakes that once flowed across ...

Imagine stepping onto a distant exoplanet, where vast alien oceans stretch beyond the horizon. Based on data from missions ...

Curiosity finds strange boxwork ridges on Mars that hint at ancient underground water. Scientists are now drilling for answers.

Why we explore Mars—and what decades of missions have revealed In the 1960s, humans set out to discover what the red planet has to teach us. Now, NASA is hoping to land the first humans on Mars ...

SpaceX CEO Elon Musk wants to send a cargo ship to Mars by the end of next year. Here’s why that plan likely won’t pan out.

The northern plains of Mars are thought to have harboured an ocean more than 3.6 billion years ago. Delta deposits and river-valley termini ring the proposed seabed and define an equipotential ...