Harvard-Smithsonian Center for Astrophysics

Shining only ~300 million years after the Big Bang, it may be home to the oldest stars in the universe.

A new explanation for the mysterious downward-moving dark voids seen in some solar flares.

The discovery finally confirms how a rare type of star in the universe forms and evolves.

The sphere-shaped phenomenon may explain how supernovae lead to star formation.

A barred galaxy's massive molecular inflow.

It completes a rotation around its star in just four-and-a-half days.

A disk with gaps suggestive of clearing by newly forming planets.

The Spin of the Supermassive Black Hole in our Galaxy.

Dark matter is a hypothetical invisible mass thought to be responsible for adding gravity to galaxies and other bodies. However, the nature of dark...

The Big Bang hypothesis is a push to clarify what occurred at the very beginning of our universe. Revelations in astronomy and physics have...

In 1871, Lord Kelvin suggested that life could propagate by traveling on meteorites. More than a century later, it was hypothesized that some achondrites were...

The group from the Institute for Computational Cosmology at Durham University and the Harvard-Smithsonian Center for Astrophysics has discovered proof that the faintest satellite...