For more than two decades, one idea has anchored our picture of the cosmos: the universe isn't just expanding, it's speeding up, driven by a mysterious "dark energy" baked into empty space itself. That conclusion won the 2011 Nobel Prize... Continue Reading →
In just a few weeks, NASA is set to launch one of the most anticipated observatories in decades. The Nancy Grace Roman Space Telescope is scheduled to lift off no earlier than August 30, 2026, aboard a SpaceX Falcon Heavy... Continue Reading →
More is unknown than is known. We know how much dark energy there is because we know how it affects the universe's expansion. Other than that, it is a complete mystery. But it is an important mystery. It turns out... Continue Reading →