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Mars

Finding Life in Space: Why are we so special?

by Wei Lifigures by Catherine Ding The universe is massive, with an estimated 70 quintillion planets—that is 70 followed by an additional 18 zeros. In the Milky Way alone, where we reside, there are billions of planets. With these huge numbers, Earth…

Water Beyond Earth: The search for the life-sustaining liquid

by Andrew Greenspon figures by Hannah Zucker Picture yourself as the Curiosity Rover, which landed on Mars in 2012. You’ve just arrived on Mars after an eight-month journey from Earth. You begin traveling across the Gale crater toward Mount Sharp,…

Back to the Moon: Challenges Facing the 2024 Return

50 years after the Apollo 11 landing, the US is planning on returning to the moon. While such a mission could answer new scientific questions about the history of our corner of the universe and help test new technology, lack of federal support and…

Metal On Mars

A recent NASA mission has discovered that the atmosphere on Mars has many similarities to that of Earth. Metal atoms, contained in dust particles, float down from the solar system and become trapped in the atmosphere of a planet. Energetic particles, for…