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Jupiter's ocean moon Europa may have less oxygen than we thought
By Monisha Ravisetti published
NASA's Juno spacecraft helped scientists make the first direct measurement of molecular oxygen around Jupiter's moon Europa. The result is lower than some previous estimates.
Our solar system's ocean moons may be habitable — and their icy shells could hold proof
By Tereza Pultarova published
The thicknesses of ice shells covering our solar system's ocean-bearing moons could provide hints about whether these mysterious bodies may harbor life.

Saturn's ocean moon Titan may not be able to support life after all
By Keith Cooper published
Organic material on Saturn moon Titan's surface may have difficulty getting to the underground ocean. That's where it'd need to go for Titan to potentially support life.

NASA's Europa Clipper gets science gear to probe ocean moon of Jupiter
By Monisha Ravisetti published
NASA has mounted all nine science instruments on its highly anticipated Europa Clipper spacecraft, which will launch toward Jupiter's icy ocean moon this year.

The top 10 spaceflight stories of 2023
By Josh Dinner published
Last year was a very busy one in the final frontier. Here's a rundown of some highlights, from Starship's debut to NASA's first asteroid sample-return.

NASA outlines plan to deploy burrowing 'cryobots' on icy moons of Saturn and Jupiter
By Robert Lea published
NASA has laid out a roadmap for major aspects that need to be addressed while developing a robotic system that can explore icy moons with water oceans.

I'm sending my name to Jupiter's moon Europa on a NASA spacecraft — and here's why you should, too
By Monisha Ravisetti published
NASA's Europa Clipper spacecraft is headed to one of Jupiter's largest moons. It's bringing along a microchip filled with human names.

Watch this Jupiter moon lander handle harsh terrain it may face on Europa (video)
By Elizabeth Fernandez published
Landing on Europa is a highly anticipated, possible NASA mission. Engineers recently tested how to successfully land a spacecraft on the icy moon.
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