News & Events

Build a decoder-only transformer (a small GPT-like language model) from scratch in PyTorch. Train it on the Tiny Shakespeare dataset for character-level language modeling and use it to generate text, understanding every component along the way.

Build a decoder-only transformer (GPT-style) from scratch in PyTorch. Train it on Tiny Shakespeare for character-level language modeling and generate text.

This seminar will feature an update from the Habitable Worlds Observatory Community Science & Instrument Team (CSIT), presentations on technical capabilities, and time for groups to advertise their HWO-related work and find collaborators. If you would like an advertisement slot…

We invite everyone to join us for the next AGN SIG Vision Series Talk on Tuesday, February 17, 2026, at 1 pm ET/10 am PT. Our first Vision Series talk for the year will feature Dr. Santiago Garcia-Burillo (Observatorio Astronómico…

Illuminating the Galactic Baryon Cycle at Cosmic Noon. Speaker: Tucker Jones

Monsters in the Dark: Searching Far and Wide for Ultra-Luminous Galaxies at Cosmic Dawn Speaker John Weaver Abstract The first galaxies (z > 10) appear to have formed faster and more efficiently than predicted by standard models, but they are…

Monsters in the Dark: Searching Far and Wide for Ultra-Luminous Galaxies at Cosmic Dawn, Speaker | John Weaver

Space Interferometry for Astrophysics in the 2030s? Speaker William C. Danchi, NASA Goddard Space Flight Center Abstract Space interferometry is the next evolutionary step for high angular resolution astronomy, given the maturity and many accomplishments of ground-based interferometry in the…

Graph Neural Networks (GNNs) Speaker Tri Nguyen, Northwestern Learn how to build Graph Neural Networks (GNNs) to work with graph-structured data. Explore node classification on citation networks and apply GNNs to model dark matter subhalo interactions with stellar streams using…

The HWO Science Interest Group invites you to the next seminar: Wednesday, February 11th, at 1:00 pm ET / 10:00 am PT .

February 2nd, 2026 at 4:00 pm ET/1:00 pm PT Graph Neural Networks Neural Network Basics: Part 3 | Tri Nguyen, Northwestern University Learn how to build Graph Neural Networks (GNNs) to work with graph-structured data. Explore node classification on citation…

NASA’s Fornax Initiative is now accepting beta users on our Science Console, a JupyterLab environment in the cloud for computing next to NASA astrophysics archival data.

Space Interferometry for Astrophysics in the 2030s? Speaker: William C. Danchi, NASA Goddard Space Flight Center

We invite everyone to join us for the inaugural AGN SIG Spotlight Talk on Tuesday, January 27, 2026, at 1 pm ET/10 am PT.

Convolutional Neural Networks (CNNs) Speaker John Wu, STScI Build a convolutional neural network (CNN) to estimate physical properties of galaxies directly from images. Train a model to predict gas-phase metallicity from SDSS galaxy images, replicating the approach from Wu &…

Debris Disks in the Far-Infrared with PRIMA Speaker Meredith MacGregor (Johns Hopkins University) Abstract More than 20% of nearby main sequence stars are surrounded by debris disks, where planetesimals, larger bodies similar to asteroids and comets in our own Solar System,…

In 2025, NASA’s Science Mission Directorate (SMD) released the annual Research Opportunities in Space and Earth Sciences (ROSES) solicitation in July rather than February, the traditional target release date. For simplicity, consistency, and to maintain the annual schedule, SMD plans…

The NASA Postdoctoral Program (NPP) offers US and international scientists the opportunity to advance their research while contributing to NASA’s scientific goals. The NPP supports fundamental science; explores the undiscovered; promotes intellectual growth; and encourages scientific connections. Selected by a competitive peer-review…

The Exoplanets Research Program (XRP), element F.3 of ROSES-25, solicits basic research proposals to conduct scientific investigations that significantly improve our understanding of exoplanets and exoplanet formation. This program element is cross-divisional and jointly managed by three of the Divisions…

On behalf of the NASA Active Galactic Nuclei Science Interest Group (AGN SIG) Leadership Council, we are excited to announce the launch of the monthly AGN SIG Talk Series beginning in January 2026! This is a new community-focused seminar designed…

The 247th Meeting of the American Astronomical Society (joint with the Historical Astronomy Division) was held January 4th-8th 2026 in Phoenix, Arizona and we had A LOT of discussions on everything from next-generation AGN science to early-career leadership to what…

Mapping Hot Gas Kinematics in Galaxy Clusters with XRISM: What Have We Learned So Far? Speaker Irina Zhuravleva, University of Chicago Abstract The XRISM observatory (JAXA/NASA), launched in September 2023, is now providing the long-awaited high-resolution X-ray spectra of extended…

Mapping Hot Gas Kinematics in Galaxy Clusters with XRISM: What Have We Learned So Far? January 22, 2026 | 4:00pm ET / 1:00pm PT Speaker Irina Zhuravleva | University of Chicago Abstract The XRISM observatory (JAXA/NASA), launched in September 2023, is…

A team led by Dr. Enrique Lopez-Rodriguez from University of South Carolina, a former member of the Cosmic Origins Program Analysis Group (COPAG) Executive Committee, has used NASA’s Webb telescope to apply the Aperture-Mask Interferometry technique to get high contrast,…