To acknowledge achievement, excellence, and service, scientists receive various awards and membership in several honorary societies, including, historically, the following: ...

Matter and energy are the two basic components of the entire Universe. An enormous challenge for scientists is that most of the matter in the Universe is invisible and the source of most of the energy ...

Everywhere we point telescopes in the sky, we see galaxies, going back to the earliest moments in history where galaxies could even exist. These galaxies fall into a pattern: the large-scale structure ...

The observable universe is home to more than a hundred billion galaxies of many shapes and sizes. The most distant galaxies are relics of an earlier era, so observing them is a glimpse at history.

All the atoms and light in the universe together make up less than five percent of the total contents of the cosmos. The rest is composed of dark matter and dark energy, which are invisible but ...

The Dark Energy Spectroscopic Instrument (DESI) consortium is conducting a five-year survey to map the large-scale structure of the Universe over one-third of the sky and 11 billion years of cosmic ...

How can we expand the limits of human knowledge further into the unknown? The Center for Astrophysics is a collaboration between the Smithsonian Astrophysical Observatory and Harvard College ...

April (Meteor) Showers and See a City of Stars! Enjoy observing planets in the morning and evening sky, look for Lyrid meteors, and hunt for the "faint fuzzy" wonder that is the distant and ancient ...