New supercomputer simulations hint that dark energy might be dynamic, not constant, subtly reshaping the Universe’s structure ...

As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

Recent findings suggest a potential shift in our understanding of the universe’s expansion. After decades of acceleration, ...

Dark energy, the invisible force making up 70% of the universe, accelerates cosmic expansion and could one day cause the “Big ...

Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable ...

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...

A new study is implying that the universe may actually be slowing down and that the culmination of the decrease in dark ...

A mathematical investigation of galactic data suggests elusive dark matter is confined to the rules of gravity.

NASA installs two solar shields on the Roman telescope at Goddard: they will protect the instruments from heat and light.

Millions of Ukrainians are enduring cold temperatures and darkness after a wave of Russian attacks against energy facilities ...