Four robots recently took to Mars-like terrain, including a cave system, during an epic experiment involving a NASA astronaut in space.
Understanding the early Universe is a foundational goal in space science. We're driven to understand Nature and how it evolved from a super-heated plasma after the Big Bang to the structured cosmos we see around us today. One critical moment in time was when the first stars, called Population 3 stars, ignited with fusion and lit up their surroundings.

