What's up in
Astronomy
Latest Articles
The Cosmos Teems with Complex Organic Molecules
Wherever astronomers look, they see life’s raw materials.
How Do Merging Supermassive Black Holes Pass the Final Parsec?
The giant holes in galaxies’ centers shouldn’t be able to merge, yet merge they do. Scientists suggest that an unusual form of dark matter may be the solution.
The ‘Beautiful Confusion’ of the First Billion Years Comes Into View
Astronomers are reveling in the James Webb Space Telescope’s discoveries about the formative epoch of cosmic history.
The Webb Telescope Further Deepens the Biggest Controversy in Cosmology
A long-awaited study of the cosmic expansion rate suggests that when it comes to the Hubble tension, cosmologists are still missing something.
Tracing the Hidden Hand of Magnetism in the Galaxy
Susan Clark is helping to unravel the mysterious workings of the Milky Way’s magnetic field, a critical missing piece of the galactic puzzle.
How the Ancient Art of Eclipse Prediction Became an Exact Science
The timing of the total eclipse on April 8, 2024, will be known to within a second, thousands of years after fearful humans first started trying to anticipate these cosmic events.
Doubts Grow About the Biosignature Approach to Alien-Hunting
Recent controversies bode ill for the effort to detect life on other planets by analyzing the gases in their atmospheres.
To See Black Holes in Stunning Detail, She Uses ‘Echoes’ Like a Bat
The astrophysicist Erin Kara measures time lags in black holes’ X-ray glows, which reveal the complexity of the objects’ closest surroundings.
Radio Maps May Reveal the Universe’s Biggest Magnetic Fields
A controversial technique has produced detailed maps of the magnetic fields in colossal galaxy clusters. If confirmed, the approach could be used to reveal where cosmic magnetic fields come from.