Mars once had a magnetic field—can we bring it back? Learn what new seismic data reveals about the Red Planet’s heart and whether nuclear power could restart its spin. Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now...
Discover the incredible story of Earth’s and the Moon’s forgotten rings. Did Earth once have rings like Saturn? Explore the forgotten natural rings that may have circled Earth and the Moon — born from ancient impacts, shattered moons, and cosmic debris — and what...
Everyone talks about terraforming Mars, but Venus might be the real prize. Discover the surprising ways we could cool, reshape, and colonize this hostile world. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on...
Crystals are not alive, yet they grow, form complex structures, and even conduct electricity. Could life emerge from crystals rather than carbon-based molecules? Explore the intriguing possibility of crystal-based lifeforms, the challenges they would face, and the...
Could we survive on a world where even lifting a coffee cup is a struggle? Discover how high-gravity planets shape life, technology, and the future of space colonization. From immense super-Earths to black holes, we examine the worlds where gravity rules all. Watch my...
Join us as we explore the science and challenges of building self-sustaining biospheres, where humanity could one day thrive beyond Earth. Watch my exclusive video Post-Stellar Civilizations: https://nebula.tv/videos/isaacarthur-poststellar-civilizations Get Nebula...