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John Wenz

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Space

The universe may be full of ex-moons flung from their home worlds

Star

Space

Exclusive: NASA has begun plans for a 2069 interstellar mission

Space

Jupiter鈥檚 icy moon Europa has a hidden 鈥榗onveyer belt鈥� of heat

Technology

Secure your secret messages with printable invisible ink

artist's impression of an exoplanet

Space

We may have found 20 habitable worlds hiding in plain sight

Space

Boiling water on Mars could make the planet’s sand levitate

The dwarf planet Eris

Environment

Volcanoes that spew stretchy ice could make dwarf planets bright

Hot ice could have seeded life on Earth

Uranus and Neptune

Space

NASA eyes Neptune and Uranus for missions in the 2030s