Helheim was the Norse realm of the dead, but ancient mythology reveals a surprising truth about what awaited its souls.

Left to explore a world of blocks and rocks, AI agents discovered new tricks, created their own rules, and showed measurable ...

A $200 million project could change the future of military dogs, but its most ambitious plans remain untested.

Renewable energy is expanding faster than expected, yet fossil fuel emissions keep rising as the UN warns of worsening ...