Dark Matter

The world’s biggest dark matter search saw a particle it cannot explain

After a flawless launch, the Nancy Grace Roman Space Telescope is on a mission to solve some of the universe’s biggest mysteries

In its hunt for dark matter, the XENONnT experiment has detected the rare, feeble glow of neutrinos smacking into electrons

NASA’s Roman Space Telescope will open a whole new window on the cosmos. Here are 10 things it’s likely to show us

The more scientists try to understand dark energy, the more its mysteries seem to grow. NASA’s newest space telescope is custom-built to crack the case

A galaxy appears to be missing the invisible substance thought to hold such objects together, further challenging long-held assumptions about how galaxies form

A blip of light in the outer reaches of the Milky Way might be a bizarre black hole born at the beginning of time itself—and the long-sought solution to the mystery of dark matter. Astronomers are calling it “Phoebe”

There are parts of the universe, and of the electromagnetic spectrum, that we’re not covering with our telescopes—but not as many as you might think!

Seen just 800 million years after the big bang, an object called LAP1-B is a galactic building block that seems to hold some of the first stars to ever shine

Models giving dark matter more complex behavior could help solve multiple cosmic mysteries

Experts found that the White House budget request for the upcoming fiscal year could defund 54 NASA science missions, including a spacecraft currently studying Jupiter and two planned Venus missions

Long ago, the cosmos might have been a black hole factory—and these primordial objects are even weirder than you think