Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

Galaxies may not be as simple as "young and blue" or "old and red." A new idea from astrophysicist Charles Steinhardt proposes a third type: red star-forming galaxies that break the mold. These galaxi ...

Researchers say they discovered observational evidence of string theory, which could turn everything we know about the ...

President Donald Trump signed an executive order on Wednesday, April 9, which took decisive action on an issue that he said hits close to home: showerhead water pressure. Explore the mysterious force ...

Scientists trying to discover the elusive mass of neutrinos, tiny "ghost particles" that could solve some of the universe's ...

Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it ...

A measurable, but unknown force dominates the cosmos — dark energy. It is responsible for the accelerating expansion of the universe, but it's nature remains unknown. Now, new technologies are being ...

The alarming news from the recent DESI data on the expansion of the Universe is that the energy density of the vacuum might ...

The research team found that the statistical significance of the dynamical dark energy model has reached a 4.3σ confidence ...

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...

First discovered in the 1990s, dark energy has come to feel like a familiar face of the cosmos. Astronomers first imagined ...