Unlike for dark matter, scientists have no plausible explanation for dark energy. According to one idea, dark energy is a ...

The jury is out as to whether dark energy is best described by a cosmological constant or as dynamical. This Perspective presents both sides of the case and considers the questions that need to be ...

A cosmological simulation study by researchers from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences has systematically revealed, for the first time, how the interaction ...

For decades, astronomers have believed that dark matter and dark energy make up most of the universe. However, a new study suggests they might not exist at all. Instead, what we perceive as dark ...

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By rethinking gravity and cosmic timelines, it could rewrite our ...

Using the LUX-ZEPLIN experiment, scientists may have detected the first direct evidence of dark matter, in the form of a rare ...

Do constants of nature — the numbers that determine how things behave, like the speed of light — change over time as the universe expands? Does light get a little tired travelling vast cosmic ...

Front Cover; Contents; Preface; Acknowledgments; About the Authors; Introduction; Section 1 -- Concept of Matter and Particle Model of Matter; Matter or Not Matter?; Solids, Liquids, and Gases; What ...