The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

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

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

They’re attacking the future of NASA science activities with this proposed 47 percent budget cut.” That candid evaluation by ...

You’re losing the managerial and core technical expertise of the agency,” warned Casey Dreier, chief of space policy at The Planetary Society, in a statement to Politico. This stark assessment comes ...

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 ...

Q: We already send rovers to Mars. Why did NASA test a helicopter there? —Marjorie Mathews | Silver Spring, Maryland As the former director of the National Air and Space Museum, Ellen Stofan ...

Object Details Contractor Martin Marietta Corp. Manufacturer TRW Systems Group Summary Two Viking Landers reached Mars in the summer of 1976 carrying identical biology experiments designed to search ...

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.