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The Best (And Worst) Mars Landings in History

Target: The Red Planet

The Viking Project/NASA

Reaching Mars is a hard and unforgiving endeavor, with little room for error. More than two-thirds of the 40-odd missions launched toward Mars have been lost due to failed components, rocket glitches or grievous errors that sent probes crashing into the Martian surface or missing the planet altogether.

Here’s a look at the best – and worst – Mars landings of all time.
— Tariq Malik, Managing Editor

Updated Oct. 12, 2016

First on Mars


Mars 2, a lander built by the former Soviet Union, has the double-edged distinction of being the first human-built object ever to touch down on the Red Planet. Launched in tandem with its sister craft Mars 3 in 1970, the spherical 1-ton Mars 2 lander was about the size of a kitchen stove and designed to parachute to the Martian surface and use rockets for final braking.

Despite surviving the long trip the Mars — a major feat in itself— the probe crashed into the Martian surface somewhere west of the Hellas basin while a major dust storm churned across the planet.

20 Seconds, Then Silence


Like its sister craft Mars 2, the Soviet Union’s Mars 3 landing mission is a marriage of engineering accomplishments and inexplicable failure. The lander appears as the conical top of the Mars 3 orbiter mothership in this image.

The probe launched in 1970 and landed successfully on Dec. 2, 1971 in the Martian uplands of Terra Sirenium after descending through the same dust storm that thwarted its Mars 2 predecessor (see No. 10). But 20 seconds after beginning its first photographic scan, Mars 3’s TV signal went silent for good.

Lost Beagle

Beagle 2 Project

On Christmas Day 2003, the British-built Beagle 2 lander plummeted through the Martian atmosphere with the hopes of Europe on its tail, only to vanish without a trace.

Shaped like an oversized pocket watch, Beagle 2 hitched a ride to the Red Planet aboard Europe’s Mars Express orbiter, but crash landed on the planet rather than bouncing to a stop with airbags. A lower than expected atmospheric density may have caused the probe’s parachute and airbags to deploy too late, an investigation later found.

Mars Polar Lander, R.I.P.


British and Russian researchers aren’t alone in sending space probes to Mars only to have them fail at the end. NASA’s Mars Polar Lander, launched in January 1999, crashed just before landing near the planet’s south pole in December of that year due to an engineering flaw. [Mars Polar Lander: Clues From the Crash Site]

Some of the probe’s leftover tools and equipment were used to build NASA’s new Mars lander, Phoenix, which landed successfully in May 2008.

The Viking Success


The first successful landing on Mars came on July 20, 1976, when NASA’s Viking 1 lander touched down in Chryse Planitia (The Plains of Golf). The massive 1,270-lb (576 kilograms) lander dropped from an orbiting mothership to make a three-point landing using a parachute and rocket engine.

Viking 1’s three biology experiments found no clear evidence of Mars microbes. The lander was powered by a plutonium decay-powered radioisotope thermoelectric generator and went silent on Nov. 11, 1982, six years after completing its initial 90-day mission.

Viking’s Long-Lived Invasion

NASA/JPL/Malin Space Sciences System

Fresh off the success with Viking 1, NASA landed on Mars again on Sept. 3, 1976 with Viking 2.

Sister ship to Viking 1, Viking 2 set down on the broad, flat plains of Utopia Planitia, where it snapped photos of morning frost and — like its predecessor — found sterile soil that held no clear evidence of microbial life. The lander shut down in 1980.

Red Planet Roving


On July 4, 1997, NASA celebrated U.S. Independence Day in style by landing the first mobile probe on the Red Planet.

The Mars Pathfinder Lander used a parachute and airbags to land on the Red Planet, and then deployed Sojourner — a small, six-wheeled rover the size of a microwave oven that explored nearby terrain. A complete success, the mission ended with a final transmission on Sept. 27, 1997.

Spirit’s Big Bounce


The success of Mars Pathfinder and its Sojourner rover led to a larger, bolder Mars landing on Jan. 4, 2004, when NASA’s golf cart-sized Spirit rover bounced to a stop inside the broad Gusev Crater.

Spirit spent more than six years — far beyond its initial 90-day mission — exploring Mars before going silent in March 2010.

Opportunity Knocks, Water History Answers


The twin of NASA Spirit rover, the robotic explorer Opportunity is alive and well more than 12 years after its Jan. 25, 2004 (ET) landing.

Opportunity landed on the flat plains of Meridiani Planum, which sits on the side of Mars opposite Gusev crater. Amazingly, the rover landed in a small crater, where a nearby outcrop contained evidence that the region was once soaked with water in ages past. The rover has since explored more than 20 miles (32 kilometers) on Mars and is now exploring the rim of a huge crater called Endeavour.

Rising From the Ashes

NASA/Corby Waste

The Phoenix lander touched down on May 25, 2008 and used some spare instruments and equipment salvaged from the lost Mars Polar Lander project.

The solar-powered Phoenix landed near the Martian north pole, where it used a robotic arm-mounted scoop to dig for buried water ice and on-board instruments to determine whether the region may once have been habitable for microbial life. The mission lasted about seven months before the harsh Mars winter ended the lander's activities. [Long-Silent Mars Lander Appears to Be Officially Lost]

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