The BHEX Fall 2025 Science Meeting brought together over 100 researchers worldwide, with 28 presentations on BHEX science, instrumentation, and mission development. The talks are available on YouTube (https://youtube.com/playlist?list=PLTNqaTvTi5XY_rYCqff4WnoFNapFsMdn7&si=ILLIHFV8d-KiqClb).

The kick-off meeting was held at the Institut de Radioastronomie Millimetrique (IRAM) in Grenoble to kick-start BHEX en France, the formation of a French community with interest in the Black Hole Explorer (BHEX) mission.

A hybrid conference to discuss the latest BHEX mission development and prospects with featuring dozens of scientists from the international BHEX team and related communities.

The SPIE conference hosted 14+ presentations from the international BHEX team on the latest mission development.

A week-long, in-person workshop to focus on developing science requirements and advancing the concept maturity level for the science with black hole photon rings.

The Black Hole Explorer Fall 2023 workshop assembled more than 60 people from the international BHEX team to seek to advance the concept maturity level of this mission. The workshop features science and engineering plenary presentations and breakout group discussions.

We convened a focused two-week Instrument Design Lab (IDL), including some 70 participants from the CfA, Harvard, MIT Lincoln Laboratory, Goddard Space Flight Center, the National Radio Astronomy Observatory, and other partner institutions.