The Mars Sample Return Mission Will Take Two Helicopters to the Red Planet to Help Retrieve Samples

New paleomagnetic research suggests Earth’s solid inner core formed 550 million years ago and restored our planet’s magnetic field, just before the explosion of multicellular life on Earth, and avoiding a Mars-like fate

How to Simulate Walking on the Moon—Without Leaving the Planet

NASA revises Mars’ sample return plan to use helicopters | The experience with the Ingenuity helicopter has changed the equation.