First Images of a Black Hole from the Event Horizon Telescope
Astronomers have used a telescope that spans the globe to capture the first detailed images of a black hole.
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Supernovae, Dark Energy, and the Fate of Our Universe
What’s the eventual fate of our universe? New results from Dark Energy Survey supernovae address this and other questions.
The Variable Jets of Gamma-Ray Bursts
What drives the rapid flickering in the jets that are produced in some powerful, high-energy explosions?
What’s with Asteroid Ryugu’s Weird Shape?
Up-close photos show that Ryugu is shaped like a spinning top. Can this asteroid’s history explain its structure?
A Rare Double-Detonation Supernova Caught in the Act
Astronomers have observed an unusual stellar explosion. What makes this event different from other supernovae?
Merging Eccentric Pairs of Black Holes
What happens during chaotic interactions between black-hole binaries in star clusters? New research suggests eccentric mergers can result.
Flares, Waves, Jets, and Ejections
Our Sun often exhibits a roiling surface full of activity. But how do the different types of eruptions and disturbances we see relate to one another?
Looking for Life? Try Around K Dwarfs
A new study suggests that planets around K-dwarf stars may be the best targets in the search for signs of life.
Missing Halos in the High-Energy Sky
A recent study explores a high-energy mystery from the supermassive black holes that dot our universal landscape.
Giant Stars in Our Black Hole’s Neighborhood
Have the old, giant stars at the center of our galaxy gone missing, or have we just missed them?