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Interactive Features76 articles archived since 1845

Mapping Mars: Where Have All the Landers Gone? [Interactive]

The first man-made object to land on Mars arrived 40 years ago this month, and NASA's Curiosity rover should soon depart for the Red Planet. Here is a look at where humankind's many Mars landers have touched down, and where the planet betrays a history of all-important liquid water...

November 3, 2011 — John Matson

Quiz: How Happy Are You?

Answer these 11 simple questions to compare your score with worldwide data

October 28, 2011 — Ingrid Wickelgren
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Science or SciFi?

Science or SciFi?

Vanishing Particles. Spooky Action.