What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is becoming weaker with time, or time-evolving. Dark energy's acceleration of ...

For generations, humans have gazed at the stars and wondered about the ultimate fate of the universe. Will it expand forever ...

Dark energy, a mysterious force that scientists believe is behind the accelerated expansion of the universe, is weakening — which could result in the universe over the course of billions of ...

Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it won’t be happy.

The universe is poised to die much faster than previously thought, according to new research by Dutch scientists.

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed apart at an ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.