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Proposing for Telescope Time

REVIEW PROCESS: Proposals are sorted by telescope and by instrument, and then distributed to the Time Allocation Committee (TAC). Proposals are ranked according to: Overall scientific merit ...
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CfA Publications

Each week, CfA scientists publish new research across the span of astronomy, astrophysics, astrochemistry, geosciences and engineering. Explore our most cutting-edge work with the descriptions below.
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'Space Archaeology' Reveals First Dynamic History of a Giant Spiral Galaxy

For the first time, astronomers used galactic archaeology techniques to trace the chemical "fossil record" of a galaxy outside the Milky Way Cambridge, MA (March 23, 2026) — A team of astronomers led ...
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Theoretical Astrophysics

The Center for Astrophysics | Harvard & Smithsonian Theoretical Astrophysics (TA) division uses theoretical models and computer simulations to understand a variety of fundamental astrophysical ...
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Analog Astronaut Kaley Brauer Explores the Human Side of a Mars Mission

When Kaley Brauer agreed to spend two weeks “on Mars,” she knew that if she wanted to go outside, she’d need to wear a space suit, and if she wanted to contact Earth, she’d deal with a 40-minute delay ...
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Center for Astrophysics

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 ...
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CfA Scientists Named Prize Postdoctoral Fellows

Cambridge, MA (April 8, 2026) —The Center for Astrophysics | Harvard & Smithsonian is pleased to announce our incoming cohort of prize postdoctoral fellows, whose work spans the cosmic frontier from ...
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EarthAI Fellowship

We are seeking an exceptional Physicist, Atmospheric Scientist, Computer Scientist, or Applied Mathematician to join our novel EarthAI project as a Postdoctoral Fellow. This unique role is centered on ...
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ITAMP Postdoctoral Fellowship

A Postdoctoral Fellowship appointment at ITAMP is made each year to support a promising scientist who has recently received a Ph.D. degree to carry out research in all areas of theoretical atomic, ...
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Global Astronomical Collaboration Achieves a 1% Precision Measurement of the Universe’s Local Expansion Rate

Cambridge, MA (April 2, 2026) — An international collaboration of astronomers has achieved the most precise direct measurement to date of the current expansion rate of the Universe. In a paper ...
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How do stars and planets form and evolve?

Everything you’ve ever seen or experienced on Earth was once a nebulous collection of floating gas and dust. Science is starting to understand how those particles came to take the forms you recognize ...
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CfA Astronomer Allyson Bieryla Named 2026 Shapley Visiting Lecturer by the American Astronomical Society

Cambridge, MA (April 6, 2026) — The American Astronomical Society has named Allyson Bieryla a 2026 Shapley Visiting Lecturer. She will give a series of astronomy-themed lectures to students at the ...