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The team that discovered gravitational waves put their data online. Now an independent group of researchers claims that they’ve found what might be a serious problem.
Breathless media coverage notwithstanding, the cases for and against a hypothetical Planet Nine in the outskirts of the solar system remain inconclusive.
One of the world’s preeminent theoretical physicists seeks a quiet place to think.
The newly developed theory of emergent gravity, proposed as an alternative to dark matter, struggles in one of its first trials.
Recent calculations tie together two conjectures about gravity, potentially revealing new truths about its elusive quantum nature.
The two physicists who introduced Peccei-Quinn symmetry came up with their idea on and around Stanford University’s campus 40 years ago.
The physicist who designed the LIGO experiment that detected gravitational waves still holes up in a small basement lab surrounded by electronics and optical instruments.
A different kind of dark matter could help to resolve an old celestial conundrum.
New math shows how, contrary to conventional scientific wisdom, conscious beings and other macroscopic entities might have greater influence over the future than do the sum of their microscopic components.