Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

When we gaze into the night sky, space appears calm — but that silence is an illusion. Every split second, unimaginable events are unfolding across the cosmos. This visually stunning short film takes ...

We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if it's negative?