Why the First Stars Had to Be Monsters
The universe's first stars were hundreds of times more massive than the Sun. The reason has nothing...
Cosmology
The origin, evolution, and fate of the universe.
Why the Void Between Galaxies Burns
The space between galaxies looks empty. It is not. It is a searing plasma at millions of degrees, an...
Why Sunlight Has Weight: Mass Equals Energy
A photon weighs nothing. Yet the Sun loses 4 million tonnes every second through pure light. Both fa...
Why the Universe May Repeat Itself Forever
The same structure appears inside an atom and across billions of light-years. That is not a coincide...
Why the Void We Live In Should Not Exist
The Milky Way sits inside a cosmic hollow two billion light-years across. Standard physics says it s...
Why Dark Energy Cannot Stay Constant Forever
Two of the most precise measurements in physics disagree about how fast the universe is expanding. T...
Why the Universe May Not Be Infinite After All
The assumption that space goes on forever has never actually been tested. The oldest light in existe...
Why the Earliest Galaxies Should Not Exist
The James Webb Space Telescope found massive, ancient galaxies that formed before the universe had t...
Did We Just Find a Crack in Spacetime?
The universe may have left scars from its first second of existence. We are only now building instr...
Can a Black Hole Destroy Spacetime Itself?
General relativity says yes. Every quantum gravity theory says no. Both are working from incomplete...
Why the Big Bang Is Not What You Think It Is
The universe may not have begun from nothing. A researcher argues it was already ancient before ligh...
Why the CMB Cold Spot Has No Explanation Yet
A patch of the oldest light in the universe is colder than physics says it should be. Twenty years o...