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The Astronomical Society of the Pacific is an international non-profit scientific and educational organization,
founded in 1889, that works to increase understanding and appreciation of astronomy.
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Mercury Online

Space News & Opinion

The 1000-foot (305-meter) wide radio dish telescope at Arecibo Observatory in Puerto Rico will be dismantled and decommissioned.

This clumpy, twisted, 5,000 light-year-long relativistic jet blasts into space from the supermassive black hole inside the elliptical galaxy Messier 87.

ASP News

On the Inside

Big Astronomy: People, Places, Discoveries - Behind the scenes with the project team. Join us as we host a special LIVE Big Astronomy Planetarium Show and Panel Discussion on opening night of the ASP's upcoming Virtual Conference.

Join the ASP this December 3-5 for ASP2020: A Virtual Conference - Embracing the Future: Astronomy Teaching and Public Engagement. Plenary Speakers, Schedule, and Special Event just announced and Full Registration ends December 2!