As the human race looks toward a future of space exploration and perhaps even colonization, one new discovery sheds light on a potential challenge. Traveling and being in space changes the shape of an ...

Astronauts’ brains can change shape and shift positions during stays in space, according to a new study with implications for NASA’s goals to conduct long-duration missions to the moon and Mars. 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 ...

For more than a century, physics has treated space and time as the smooth stage on which the universe unfolds, a flexible fabric that bends but never breaks. A new wave of theories is now challenging ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...