What's up in
New Studies Rescue Gravitational-Wave Signal From the Noise
Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.
Galactic Beacons Get Snuffed Out in a Cosmic Eyeblink
Quasars powered by supermassive black holes have been unexpectedly vanishing. Scientists have started to figure out why.
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.
Astronomers Creep Up to the Edge of the Milky Way’s Black Hole
Hot spots have been discovered orbiting just outside the supermassive black hole at the galaxy’s center. Their motions have given us the closest look at that violent environment.
Planets Found to Be Larger Than the Disks They Come From
The new finding is challenging established theories of how planets come to be.
The Last of the Universe’s Ordinary Matter Has Been Found
For decades, astronomers weren’t able to find all of the atomic matter in the universe. A series of recent papers has revealed where it’s been hiding.