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Inclusion of events & deadlines on the AAS Calendar is for viewer information only and does not
imply endorsement by the American Astronomical Society.
imply endorsement by the American Astronomical Society.
29
Sep
2025
—
2
Oct
2025
Recent Progress on Black Hole Spin Measurements Across the Electromagnetic and Gravitational Spectrum
Event
|
25
–
26 September 2025
25
Sep
2025
—
26
Sep
2025
23
Sep
2025
—
26
Sep
2025
IAU Symposium 402: Massive Stars Across Redshifts in the Era of JWST and Large-Scale Surveys
Event
|
15
–
19 September 2025
15
Sep
2025
—
19
Sep
2025
8
Sep
2025
—
12
Sep
2025
2
Sep
2025
—
5
Sep
2025
HEAD 22: Hotel reservation deadline
Deadline
|
17 September 2025 (All day)
17
Sep
2025
The Inaugural Cosmic Frontier Center Conference: The Formation of the Earliest Cosmic Structures from a Joint Observational and Theoretical Perspective
Event
|
27
–
30 May 2025
27
May
2025
—
30
May
2025
26
May
2025
—
28
May
2025
20
May
2025
—
22
May
2025
19
May
2025
—
22
May
2025
Inter+Stellar: Harnessing the Intersection Between Stars and the Interstellar Medium
Event
|
12
–
16 May 2025
12
May
2025
—
16
May
2025
PASSAGES: Science with strong lensing, ALMA and next generation radio interferometry
Event
|
7
–
9 May 2025
7
May
2025
—
9
May
2025
7
May
2025
—
9
May
2025
6
May
2025
—
8
May
2025