Curious Mars

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Recurring Martian Streaks: Flowing Sand, Not Water?

© NASA

Seasonal dark streaks

Dark features on Mars previously considered evidence for subsurface flowing of water are interpreted by new research as granular flows, where grains of sand and dust slip downhill to make dark streaks, rather than the ground being darkened by seeping water.


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Mars 2020 Mission Performs First Supersonic Parachute Test

© NASA

First Supersonic Parachute Test

Landing on Mars is difficult and not always successful. Well-designed advance testing helps.

Phobos Photobombed Mars While Hubble Was Watching

Phobos Photobombed Mars While Hubble Was Watching

The sharp eye of the NASA/ESA Hubble Space Telescope captured the tiny moon Phobos during its orbital trek around Mars on 12 May 2016.


Virtual Astronaut for Scientific Visualization

Virtual Astronaut for Scientific Visualization

To support scientific visualization of multiple-mission data from Mars, the Virtual Astronaut (VA) creates an interactive virtual 3D environment built on the Unity3D Game Engine.


Martian Ridge Brings Out Rover's Color Talents

Martian Ridge Brings Out Rover's Color Talents

Color-discerning capabilities that NASA's Curiosity rover has been using on Mars since 2012 are proving particularly helpful on a mountainside ridge the rover is now climbing.


The Next Mars Rover Will Have 23 Eyes

The Next Mars Rover Will Have 23 Eyes

When NASA's Mars Pathfinder touched down in 1997, it had five cameras: two on a mast that popped up from the lander, and three on NASA's first rover, Sojourner.


A Window Into The Past On Mars

A Window Into The Past On Mars

The layered sedimentary deposits inside the giant canyons of Mars have puzzled scientists for decades.


Curiosity Gets Ready To Drill Again

Curiosity Gets Ready To Drill Again

NASA's Mars rover Curiosity team is working to restore Curiosity's sample-drilling capability using new techniques. The latest development is a preparatory test on Mars.


MAVEN Finds Mars Has a Twisted Magnetic Tail

MAVEN Finds Mars Has a Twisted Magnetic Tail

Mars has an invisible magnetic "tail" that is twisted by interaction with the solar wind, according to new research using data from NASA's MAVEN spacecraft.


Layered Deposits in Uzboi Vallis on Mars

Layered Deposits in Uzboi Vallis on Mars

Layered deposits in Uzboi Vallis sometimes occur in alcoves along the valley and/or below where tributaries enter it.


A Closer Look at Holden Crater

A Closer Look at Holden Crater

Holden Crater in southern Margaritifer Terra displays a series of finely layered deposits on its floor (white and light purple in an enhanced color image).


Martian Prospecting From Orbit

Martian Prospecting From Orbit

The combination of morphological and topographic information from stereo images from NASA's Mars Reconnaissance Orbiter, as well as compositional data from near-infrared spectroscopy has been proven to be a powerful tool for understanding the geology of Mars.


Dunes on Wind-swept Mars

Dunes on Wind-swept Mars

Depressions such as impact craters can act as traps for sediments that have been blown in from elsewhere, accumulating in various patterns whipped up by strong winds.


Examining Mars' Moon Phobos in a Different Light

Examining Mars' Moon Phobos in a Different Light

NASA's longest-lived mission to Mars has gained its first look at the Martian moon Phobos, pursuing a deeper understanding by examining it in infrared wavelengths.


Impact of Solar Storm on Mars

Impact of Solar Storm on Mars

An unexpectedly strong blast from the Sun hit Mars this month, observed by NASA missions in orbit and on the surface.


Lockheed Martin Planning a Mars Base Camp

Lockheed Martin Planning a Mars Base Camp Video in Story

Not to be overshadowed by SpaceX, Lockheed Martin released plans today at the International Astronautical Congress in Adelaide, Australia for its own Mars Base Camp.


A Fresh Look at Older Data Yields a Surprise Near the Martian Equator

A Fresh Look at Older Data Yields a Surprise Near the Martian Equator

Scientists taking a new look at older data from NASA's longest-operating Mars orbiter have discovered evidence of significant hydration near the Martian equator -- a mysterious signature in a region of the Red Planet where planetary scientists figure ice shouldn't exist.


3-D Analysis Offers New Info On Martian Climate Change, Age of Polar Caps

3-D Analysis Offers New Info On Martian Climate Change, Age of Polar Caps

Three-dimensional (3-D) subsurface radar volumes generated from thousands of 2-D radar profiles are revealing new information about the polar regions of Mars, including more accurate mapping of CO2 and water ices, the discovery of buried impact craters, and new elevation data.



More top stories from November.