Stephanie Liechtenstein

Stay informed with Stephanie Liechtenstein’s coverage and analysis for Fortune.

The image above is a frame grab of a before and after interactive slider that compares Iran’s Fordo nuclear facility before and after U.S. bombed the site. (AP Graphic)

Defense Department intelligence report suggests U.S. strikes only set back Iran’s nuclear program by a few months

By Michelle L. Price, Mary Clare Jalonick, and others

Rafael Mariano Grossi, the director-general of the International Atomic Energy Agency, speaks to journalists attending a weeklong seminar at the agency in Vienna, Austria, Wednesday, May 28, 2025. (AP Photo/Jon Gambrell)

Iran has amassed even more near weapons-grade uranium, UN watchdog says

By Stephanie Liechtenstein and The Associated Press

A man rides a bike in front of an Iranian nuclear reactor building

Trump says he’s imposing ‘Maximum Pressure’ on Iran, which has reportedly sped production of near weapons-grade uranium since he was elected

By Stephanie Liechtenstein and The Associated Press

VIENNA, AUSTRIA – SEPTEMBER 29: Lead candidate of the far-right Austria Freedom Party (FPOe) Herbert Kickl speaks in an interview following Austrian parliamentary elections on September 29, 2024 in Vienna, Austria. Initial election results show the far-right Freedom Party of Austria (FPOe) with approximately 29% in first place, with the Austrian People’s Party (OeVP) of Chancellor Nehammer with approximately 26% in second place. (Photo by Christian Bruna/Getty Images)

Austria’s far right heads for first national election win since end of World War II

By Stephanie Liechtenstein and The Associated Press

U.S. Energy Secretary Jennifer Granholm gestures as she speaks at the UN offices in Vienna, Monday Sept. 25, 2023. Granholm has emphasized the importance of nuclear fusion as a pioneering and future-oriented technology in the clean energy transition. As part of its clean-energy agenda, the Biden administration wants to “create a commercial nuclear fusion facility within 10 years,” Granholm said in an interview with The Associated Press in Vienna. (AP Photo/Stephanie Liechtenstein)

Energy Secretary Granholm says U.S. aims to have a nuclear fusion facility within 10 years

By Stephanie Liechtenstein, Matthew Daly, and others