A theoretical particle that adapts to its surroundings could explain the accelerating expansion of our universe.
A puzzling mismatch is forcing astronomers to re-think how well they understand the expansion of the universe.
See cosmologist Risa Wechsler's answers to readers' questions about dark matter and dark energy.
How do scientists know what percentages of the universe are made up of dark matter and dark energy?
Next-generation telescopic surveys will work hand-in-hand with supercomputers to study the nature of dark energy.
Physicist Jim Pivarski explains ways to think about the expansion of space.
Exploding stars have an immense capacity to destroy—and create.
Scientist Marcelle Soares-Santos talks about Brazil, neutron stars and a love of discovery.
It’s everywhere. It will determine the fate of our universe. And we still have no idea what it is.
Raw images from the DECam Legacy Survey’s new image archive will appear online the day after they are taken.
The Dark Energy Camera does even more than its name would lead you to believe.
Not a curve in sight, as far as the eye can see.
Citizen scientists dive into particle physics and astrophysics research.
The Dark Energy Camera does more than its name would lead you to believe.
After more than six years of grinding and polishing, the first-ever dual-surface mirror for a major telescope is complete.
These recently published popular science books will help you catch up on particle physics news, knowledge and history.