dark energy
Parallel Universes Could Be Hospitable to Life
The existence of multiple universes is hotly debated among scientists.
Dark Energy Mystery May Stay Unsolved Under NASA Budget
NASA's 2019 budget proposal calls for the telescope to be canceled "due to its significant cost and higher priorities within NASA."
Neutron Star Collision Demolishes Dark Energy Theories
Physicists can't explain the mysterious force.
Dark Matter and Dark Energy Might Not Exist
New theory says we don't need dark matter or dark energy to explain the cosmos.
Dark Energy Survey: Most Accurate Map Universe Unveiled
Map is in line with measurements predicted by the Standard Model—currently our best explanation for the universe.
Does Dark Energy Exist? Maybe Not, Scientists Say
New experiments are showing the universe is even more complicated than we thought, and may not even have a single age.
Universe Could Expand 'Forever,' Suggests New Theory
The theory breaks with the popular idea that expansion is caused by dark energy and suggests energy for expansion would never run out.
Scientists Create Fluid With Negative Mass
Physicists say negative mass experiments will help solve mysteries of the cosmos.