Curiosity rover

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    Video caption: Could Nasa's latest rover to Mars find evidence of life?

    Nasa's Perseverance rover is the first wheeled robot to be sent to Mars with the direct objective of searching for life.

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    Video caption: Landing on Mars: 'We can't just assume it will work again'

    Putting a robot safely on Mars is always an immense challenge, however many times you've done it.

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    Video caption: Noctilucent clouds shimmer high in Mars' sky

    Noctilucent, or "night-shining", clouds can be seen on Mars, just as they are on Earth.

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    Video caption: Curiosity rover: Watching an eclipse from Mars

    What do eclipses look like on Mars? Nasa rovers see the planet's moons pass in front of the Sun.

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    Video caption: Nasa Curiosity rover: Whipping up a 'dust devil'

    Just occasionally the American Mars robot Curiosity catches sight of a passing vortex of dust.

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    Video caption: 'Best chance yet to detect life's traces on Mars'

    The US space agency will launch another sophisticated rover to the Red Planet this year.

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    Video caption: Mars methane mystery plot thickens

    A new sensitive survey of the Red Planet's atmosphere detects no methane - a gas on Earth strongly linked to life.