(via PBS Space Time) Around 2 billion years ago, life had plateaued in complexity, ruined the atmosphere, and was on the verge of self-annihilation. But then something strange and potentially ...

Explore three of the most mind-bending scientific paradoxes that challenge our understanding of reality. From time travel conundrums to quantum enigmas, these paradoxes will leave you questioning the ...

This year is the 25th anniversary of humans inhabiting the International Space Station. A new PBS documentary looks at how the ISS was built and the challenges of surviving in outer space. The ...

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has driven a hundred-year debate between philosophy and science. In Einstein’s ...