Arecibo Radio Observatory

Arecibo Observatory suffers additional damage from second cable failure

8 November 2020 Astronomy Now

The Arecibo Observatory, off-line due to a support cable failure, has suffered additional damage from a second cable break.

Long-term study maps relativistic effects in binary pulsar

9 September 2019 Astronomy Now

A 14-year study of a binary pulsar matches predictions from relativity theory regarding how the spin axis of each pulsar changes direction, or precesses, over time.

Gravitational wave search provides insights into galaxy mergers

6 April 2016 Astronomy Now

New results from NANOGrav — the North American Nanohertz Observatory for Gravitational Waves — establish astrophysically significant limits in the search for low-frequency gravitational waves. This result provides insight into how often galaxies merge and how those merging galaxies evolve over time.