Explore the differences between Astrophysics and Astronomy to help you decide which field is a better fit for your interests ...

The Committee on Astronomy and Astrophysics (CAA) provides an independent, authoritative forum for identifying and discussing issues in astronomy and astrophysics with the research community, the ...

The space between galaxies is not empty. In a new map of the early universe, those “blank” stretches take on a faint, hydrogen-blue glow that had mostly escaped surveys until now.

This week the telescope revealed its first real-time sky alerts, issuing 800,000 alerts for transient events in just one night, February 24, 2026. Some of these were variable stars – which go through ...

The National Aeronautics and Space Administration (NASA) announced the completion of a telescope designed to investigate exoplanets and dark matter in photos released Dec. 4, 2025. The Roman Telescope ...

To capture higher-definition and sharper images of cosmological objects, astronomers sometimes combine the data collected by several telescopes. This approach, known as long-baseline interferometry, ...

Penn researchers are collaborating with NASA to develop the Nancy Grace Roman Space Telescope, which aims to bring insight into dark energy and planets outside the solar system. The NASA-led Roman ...

Add Yahoo as a preferred source to see more of our stories on Google. The CiELO project’s results are intended to complement and enhance the interpretation of data from telescopes such as NASA's James ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...

A new study has estimated the universe’s possible age by using precise data on stars.

Any project, supported or not by a committee, that is currently being worked on or is considered active, and will have an end date. The Committee on Astronomy and Astrophysics (CAA) provides an ...