Harvard-Smithsonian Center for Astrophysics

Astronomers spotted the most distant astronomical object ever

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

Mysterious finger-like features in solar flares explained

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

Astronomers observed a new type of binary star long theorized to exist

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

Mysterious 500-light-year-wide ‘cavity’ discovered in space

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

Modeling infrared spectra of water vapor from the nuclear region of the galaxy

A barred galaxy's massive molecular inflow.

First cloudless, Jupiter-like planet discovered

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

A Rosetta stone for planet formation

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

Astronomers determined the spin of the supermassive black hole in the Milky Way

The Spin of the Supermassive Black Hole in our Galaxy.

Dark matter and massive galaxies

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

What happened before Big Bang?

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

The milky way could be spreading life from star to star

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...

Hugely exciting: Oldest galaxies in the universe found

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...

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