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Ari Koeppel

Ari Koeppel

The Conversation

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Lower-cost space missions like NASA’s ESCAPADE are starting to deliver exciting science – but at a price in risk and trade‑offs

Lower-cost space missions like NASA’s ESCAPADE are starting to deliver exciting science – but at a price in risk and trade‑offs

What’s better – many small space missions, or a few large, sweeping ones? Space scientists are asking this question as they face budget uncertainties.

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The Conversation

Ari Koeppel

Mars rovers serve as scientists’ eyes and ears from millions of miles away – here are the tools Perseverance used to spot a potential sign of ancient life

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

17.09.2025 4

The Conversation

Ari Koeppel

A decade after the release of ‘The Martian’ and a decade out from the world it envisions, a planetary scientist checks in on real-life Mars exploration

NASA hasn’t landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet’s surface than they did when the...

22.05.2025 4

The Conversation

Ari Koeppel