Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

Time travel has long lived in the realm of science fiction, but a prominent futurist now argues that humans could effectively ...

Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

Physicists are quietly rewriting the rulebook for how we might cross the gulf between stars, not by bolting bigger rockets to ...

If traveling into the past is possible, one way to do it might be sending people through tunnels in space. by raggio5 via Pixabay Have you ever dreamed of traveling through time, like characters do in ...

NASA aims to send astronauts to Mars by the 2030s. But with current technology, the journey will be years long. That's why NASA invested in a new type of rocket that could shorten the trip to just 2 ...

Your body's blood-making stem cells, hematopoietic stem cells (HSC), are like factory managers who work best when calm and rested. But when stress hits, like infection or injury, they spring into ...