Dark matter is mysterious substance that appears to make up about 27 percent of the universe's mass.
Harvard's Ana Bonaca says there is evidence of a "dark substructure" in the Milky Way's halo.
There may be way less dark matter out there than scientists think—and maybe even none at all.
Fluid with a negative mass proposed as a new way to explain dark energy and dark matter.
The search is on for an elusive particle that could shine a light on the "dark sector"—the vast majority of the universe that we cannot see.
Particle accelerators speed up elementary bits of matter to probe fundamental questions in physics, however, current facilities require huge amounts of space.
The finding shines new light on our understanding of the cosmos.
As one astronomer put it: "Wow!"
NASA's 2019 budget proposal calls for the telescope to be canceled "due to its significant cost and higher priorities within NASA."
A new theoretical model of dark matter suggests it contains two distinct varieties of charged particles, which would allow it to form compact objects.
Dark matter could make up around 80 percent of the mass in the universe.
DAMPE was launched in 2015 to monitor cosmic rays in the hope of finding dark matter.
A scientist developed a model that mitigates the need for dark matter and dark energy.
They used a giant set of water vats in the mountains of Mexico to figure it out.
Dark matter makes up most of the universe, but scientists have no idea what it is.
Map is in line with measurements predicted by the Standard Model—currently our best explanation for the universe.
Discovering extra dimensions would help solve many of the universe's biggest mysteries, like why the universe is expanding at an accelerating rate.
The composite image of 23,000 galaxy pairs was created through a technique called weak gravitational lensing.