Will we know if TRAPPIST-1e has life?

The search for extrasolar planets is currently undergoing a seismic shift. With the deployment of the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite (TESS), scientists discovered thousands of exoplanets, ...

Signs of 'spider' phenomenon on Mars

ESA's Mars Express has snapped the telltale traces of "spiders" scattered across the southern polar region of Mars.

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