Astronomers have debunked a recent challenge to dark energy, confirming that the universe is still expanding at an accelerating rate. Credit: AI/ScienceDaily.com Astronomers say a recent challenge to one of the most important discoveries in modern cosmology has been resolved, with new research confirming that the universe is still expanding at an accelerating rate. The debate began in late 2025 when a group of astronomers published findings suggesting that evidence for dark energy, the