What's up in
Dark matter
Latest Articles
Cosmologists Debate How Fast the Universe Is Expanding
New measurements could upend the standard theory of the cosmos that has reigned since the discovery of dark energy 21 years ago.
Dark Matter Gets a Reprieve in New Analysis
A strange glow coming from the Milky Way’s center was thought to be due to ordinary pulsars. But a new look at a years-old study shows that dark matter might still be responsible.
An Astrophysicist Who Maps the Universe’s Terra Incognita
Priyamvada Natarajan has pioneered the mapping and modeling of the universe’s invisible contents, especially dark matter and supermassive black holes.
Missing Galaxies? Now There’s Too Many
Astronomers couldn’t find enough satellite galaxies orbiting the Milky Way. Now they have the opposite problem.
Why the Best Place to Find Dark Matter May Be in a Rock
Dark matter may occasionally interact with minerals in the earth, leaving telltale tracks that physicists hope to decipher.
An Italian Cosmologist Who Wanders in Dante’s Dark Wood
A scientist and programmer with a literary bent, Valeria Pettorino thinks multiple angles and diverse points of view are needed to unriddle the nature of dark matter and dark energy.
The Universe Is Not a Simulation, but We Can Now Simulate It
Computer simulations have become so accurate that cosmologists can now use them to study dark matter, supermassive black holes and other mysteries of the real evolving cosmos.
What Astronomers Are Learning From Gaia’s New Milky Way Map
A roundup of some of the most important discoveries gleaned so far from the Gaia space observatory’s new map of the galaxy.
Troubled Times for Alternatives to Einstein’s Theory of Gravity
New observations of extreme astrophysical systems have “brutally and pitilessly murdered” attempts to replace Einstein’s general theory of relativity.