A groundbreaking new dataset containing information on 18.7 million celestial objects —the largest ever assembled—is now accessible to researchers, paving the way toward solving some of the universe’s ...

For decades, astronomers have relied on Einstein’s theory of relativity to explain the expansion of the universe, assuming ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...

Astronomers have unveiled stunning new images of the universe in its infancy, offering a glimpse into the earliest moments ...

Dark energy, in the form of a cosmological constant (Λ), has been seen as responsible for the accelerating expansion of space ...

The new images, to be presented at an upcoming meeting of the American Physical Society, date back to when the universe was ...

The fate of the universe hinges on the balance between matter and dark energy: the fundamental ingredient that drives its ...

The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

The findings suggest that dark energy is dynamic and changes over time, and that it used to be stronger in the early stages of the universe but is weaker now. That’s particularly odd because most ...

New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of ...

If our 13.8 billion-year-old cosmos could be considered middle-aged, researchers note these new images captured around its ...

The new findings come from the Dark Energy Spectroscopic Instrument (DESI), which sits on a telescope at the Kitt Peak ...