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Astronomy & Astrophysics

Upcoming Events

Supernova 2023ixf Across the Electromagnetic Spectrum: the Final Years of a Red Supegiant

Pupin 1402

4:05 PM - 4:35 PM

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Pupin Laboratories 1927-2027: A Brief History

Pupin 1402

4:10 PM - 5:10 PM

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Seminar by Josh Calcino

Pupin 1402

4:05 PM - 4:35 PM

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News

September 18, 2026

Columbia Astronomy celebrates the start of a New Year!

September 15, 2026

Columbia research scientist Jennifer Sokoloski is helping scientists get more from the new Vera C. Rubin Observatory

August 31, 2026

Columbia Leads Roman's Search for a Variable Milky Way as Telescope Launches

Featured Publication

On the Deepest Search for Galactic Center Pulsars and an Examination of an Intriguing Millisecond Pulsar Candidate

Karen I. Perez

Vishal Gajjar

Slavko Bogdanov

Jules P. Halpern

Paul B. Demorest

Steve Croft

Matt Lebofsky

David H. E. MacMahon

Andrew P. V. Siemion

Magnetic Field-line Curvature and Its Role in Particle Acceleration by Magnetically Dominated Turbulence

Samuel T. Sebastian

Luca Comisso

Baryonic Masses and Properties of Gaseous Satellite Galaxies

Jingyao Zhu

Yasmeen Asali

Mary Putman

et al.

More Publications

Big Apple Sky Calendar

Date: Mar 3-6
Event: Look for the thin crescent Moon, low in the WSW about an hour after sunset. You'll see the unlit portion of the Moon faintly illuminated - “the Old Moon in the New Moon's arms”.

Date: Mar 13
Event: Start of Daylight Saving Time: 2 a.m. EST (“spring ahead, fall back”). Also the anniversary of the discovery of Uranus in 1781.

Date: Mar 14
Event: PI DAY, the occasion of math celebrations in many schools, after the celebrated transcendental number 3.14159… (known to at least 62 trillion places).
Also the birthday in 1879 of Albert Einstein.

Date: Mar 29
Event: Looking low in the east, an hour before sunrise, you'll see a beautiful conjunction of planets with the waning crescent Moon.

View Full Calendar