New images reveal an early-stage stellar eruption (nova) in stunning detail
A classical nova may look simple at first. A faint star brightens, sometimes enough for you to spot…
After nearly a century of looking, researchers may have finally detected dark matter
For nearly a century, something unseen has tugged at the cosmos. In the 1930s, Swiss astronomer Fritz Zwicky…
New analysis challenges Einstein’s theory on the speed of light
The speed of light has been one of science’s most trusted markers of stability. For more than a…
Scientists think the mysterious glow in our galaxy could be from dark matter. What that means
At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful…
Pulsars or dark matter? The Milky Way’s central glow just got more puzzling
For over a decade, a dim but persistent glow near the center of the Milky Way has confused…
A 60-Year-Old Cosmic Puzzle May Finally Have an Answer
Supermassive black holes at the centers of galaxies emit radiation and ultra-fast winds into space. Credit: NASA, JPL-Caltech…
Astrophysicists Zero In on Source of Strange Gamma-Ray Signals
Artist’s impression of a MSP binary system. Credit: ESA & Francesco Ferraro (Bologna Astronomical Observatory) Millisecond pulsar binaries…