Carnegie Lecture Archive

As Carl Sagan once said, "We are made of star stuff." However, each element has its own astronomical origins story. Elements are created everywhere from the centers of stars, to...

Looking upward, the vastness of the heavens is accessible through giant telescopes that collect light from the beginning of time. Turn a telescope downward and the opaqueness of our planet...

Can we use the ocean without using it up? The task is daunting given current trajectories in fisheries, plastics, and other pollutants, and the impacts of climate change and ocean acidification....

From the work of luminaries Edwin Hubble and Vera Rubin to the recent detection of a neutron star merger and the discovery of the most-distant black hole, Carnegie scientists have played a central...