For decades, scientists have been grappling with a curious mismatch in the measured rate of the universe’s expansion—a ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight Center Producer & Director: James ...

Teleology is the idea that some processes in nature are directed toward a goal or an end. Today, it is commonly asserted that ...

The expansion of the Universe is not constant. Recent measurements have shown that the rate of the Universe's expansion is increasing. The evidence for this area of physics comes from observations ...

Dark energy is a term scientists use to describe an energy or force that accelerates the expansion of the universe. But — although it represents 70% of the energy in the cosmos — researchers ...

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark ...

An international group of more than 900 researchers studying the expansion of the universe presented their findings on Wednesday during the American Physical Society’s Global Physics Summit in ...

The motion of objects can be analysed using equations and graphs. These tools allow ... radiation as evidence for the Big Bang and expansion of the Universe.