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We all have a lot of questions about Mars. Recently, at a National Geographic Live event in Seattle, we collected quite a few. Luckily for us, Dr. Ray Arvidson, planetary geologist and professor at…

Have you ever wondered why it takes such a long period of time for NASA to build space exploration equipment? What is involved in manufacturing and building a rover for the Red Planet? During this lesson, students discover the journey that a Mars rover embarks upon after being designed by engineers and before being prepared for launch. Students investigate the fabrication techniques, tolerance concepts, assembly and field-testing associated with a Mars exploratory rover to prepare for the…

Characteristics of the seven TRAPPIST-1 worlds, compared to the rocky planets in our solar system.Astronomers have never seen anything like this before: Seven Earth-size alien worlds orbit the same tiny, dim star, and all of them may be capable of supporting life as we know it, a new study reports Credit: NASA/JPL-Caltech

The Mars Exploration Family Portrait shows every dedicated spacecraft mission to Mars. Credit: NASA / JPL / Roscosmos / JAXA / ESA / ISRO / Jason Davis / The Planetary Society

A giant version of NASA’s classic red, white, and blue logo now proudly adorns a building that has played a central role in space-exploration history.

NASA’s Europa Clipper Mission Completes Main Body of the Spacecraft | NASA

A vintage JPL graphic celebrating the Explorer 1 satellite. Credits: NASA/JPL-Caltech

JPL | Exploration and Collaboration: The JPL/Caltech Connection

Schelin Ireland, a University of Hawaii student, has a passion for space and will see her work take off for the Red Planet next year.

Voyager Disk reference card. (Credit: Gizmodo) Voyager I is now officially flying into interstellar space. In the future, an alien spaceship may come across it. When they do, they will find two things: a golden disk and a record player. How to interpret the instructions on the cover.

Astronomy Picture Of the Day 2013 February 22 Curiosity Self-Portrait Panorama Image Credit: NASA, JPL-Caltech, MSSS Panorama by Andrew Bodrov This remarkable self-portrait of NASA's Mars Curiosity Rover includes a sweeping panoramic view of its current location in the Yellowknife Bay region of the Red Planet's Gale Crater.

Scientists are still trying to figure out where Mars' methane comes from. Now there's a new mystery that might be connected: unusual fluctuations of oxygen in Mars' atmosphere, detected by the Curiosity rover.

On Sunday, May 31, the Cassini spacecraft will perform its last close pass of Hyperion, Saturn’s curiously spongelike moon. At approximately 9:36 a.m. EDT (13:36 UTC) it will zip past Hyperion at a distance of about 21,000 miles (34,000 km) – not its closest approach ever but considerably closer (by 17,500 miles/28,160 km) than it was when the image above was … Continue reading "Cassini to Perform Its Final Flyby of Hyperion"

Explore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.

Image credit: NASA

By Linda HerridgeNASA’s John F. Kennedy Space Center

InSight tried to detect seismic waves created by the arrival of its sister mission, helping scientists uncover how Mars absorbs energy from impacts.