In the scrubby expanse of White Sands National Park in New Mexico, a set of impressions pressed into ancient mud has continued to unsettle assumptions about when people first moved through the Americas. The markings, preserved in layers of sediment that later hardened into gypsum, were first described in a 2021 study published in Science,…

The competition to return humans to the Moon is no longer being spoken about as a distant ambition. According to Nasa Administrator Jared Isaacman, it has become a direct contest between the United States and China, with both countries working towards lunar landings within a remarkably similar timeframe. Although official schedules suggest the US is…