#Gravitas | The US is building a nuclear thermal rocket that makes current technology look like a steam engine By blasting liquid hydrogen through a nuclear reactor, we can now reach Mars Is this the key to winning the space race against China? Molly Gambhir tells you more | WION

#Gravitas | The U.S. and China are battling over Greenland’s rare earth reserves. Critical for weapons, batteries, satellites, and phones, they are becoming the next battleground for Washington and Beijing. China has courted Greenland’s mines to cement its dominance in rare earths, while U.S. officials warn that dependence could threaten security. Molly Gambhir brings you more | WION