A Tantalizing ‘Hint’ That Astronomers Got Dark Energy All Wrong Scientists may have discovered a major flaw in their understanding of that mysterious cosmic force. That could be good news for the fate of the universe.

Elon Musk’s Starlink Is Making Life Harder For Astronomers Space is a tricky thing to study. It’s hard to physically go there, what with the cost and the distance and the deadly vacuum of it all, so scientists prefer to stay on terra firma and merely look out into the heavens. But it seems there’s a new problem with that method, and it has a name: Elon Musk’s Starlink. Read more…