New strategies may soon allow scientists to test dark energy theories within our own solar system, linking cosmic-scale physics to local observation. Science advances through a cycle of proposing ...

Black holes are eaters of all things, even radiation. But what if their rapacious appetites had an unexpected side effect? A new study published in Physical Review Letters suggests that black holes ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...

The universe doesn’t revolve around Kitt Peak, but the observatory southwest of Tucson is at the center of what could be the biggest breakthrough in the study of the cosmos in decades. Using an ...

On October 18, 2025, the European Southern Observatory 's (ESO) 4MOST (4-meter Multi-Object Spectroscopic Telescope) ...

Dark energy is responsible for the expansion of the Universe, but its true nature is still a subject of much debate. Computer simulations based on the latest astronomical data enable scientists to ...

Dark energy and black holes are possibly two of the most elusive concepts ever analyzed by experts. A study published in Physical Review Letters combines these two concepts. The evaluation was ...

A powerful new telescope has captured its first glimpse of the cosmos, and could transform our understanding of how stars, ...

Astronomers see no stars ejected from the center of our Milky Way galaxy, giving them important information about the Sgr A* black hole.