Atmospheric time capsules: Why scientists are intrigued by the air in NASA’s Mars sample tubes

NASA's Perseverance rover stores rock and soil samples in sealed tubes on the planet's surface for retrieval by future missions, as seen in this illustration. Credit: NASA/JPL-CaltechNestled with every rock…

Continue ReadingAtmospheric time capsules: Why scientists are intrigued by the air in NASA’s Mars sample tubes

Unprecedented evidence that humans inhabited ‘lava tubes’ could fill gaps in archaeological record, scientists say | CNN

Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of fascinating discoveries, scientific breakthroughs and more. CNN — People who lived on the Arabian Peninsula thousands…

Continue ReadingUnprecedented evidence that humans inhabited ‘lava tubes’ could fill gaps in archaeological record, scientists say | CNN