Dark energy may be the most mysterious substance ever proposed, but many scientists are certain it exists. Why?

The Standard Model of our universe doesn’t match the evidence, in part because of dark energy, a ghostly force pushing the ...

This video explains how astronomers studying distant supernovae discovered that the universe’s expansion is accelerating, ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

For a generation, cosmologists have treated dark energy as a fixed backdrop, a steady pressure stretching space faster and ...

A mysterious force called Dark Energy might be changing, in a way that challenges our current understanding of the nature of ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.

According to Professor Lee, if these results are confirmed, it could completely change our understanding of the universe's future.

Scientists are a step closer to solving one of the universe’s biggest mysteries as new research finds evidence that two of its least understood components may be interacting, offering a rare window ...