“I ask you,” the email to C&EN read, “is astatine more like a halogen or like a metal? This question awakens the inorganic chemist in everyone.” Whether or not you feel the same enthusiasm as the ...

Astatine is the rarest naturally occurring element on Earth and one of the least studied within the periodic table, mostly because it lives up to its name, which is the Greek word for "unstable." ...

This week, we meet the element astatine, whose very name tells us almost half of all that we know about it. Astatine's chemical symbol is At and its chemical number is 85. Its name comes from the ...

Astatine is among the world's rarest elements – with a maximum half-life of just eight hours, found in tiny amounts in natural radioactive decay chains, but also produced by bombarding bismuth with ...

A research team from the Graduate School of Medicine at Osaka University has started an investigator-initiated clinical trial of sodium astatine ([211 At]NaAt) injection for refractory differentiated ...

A team of researchers using the ISOLDE nuclear-physics facility at CERN has measured for the first time the so-called electron affinity of the chemical element astatine, the rarest naturally occurring ...

CHESTER SPRINGS, Pa., July 23, 2025 /PRNewswire/ -- Curadh MTR Inc. ("Curadh") and Alpha Fusion, Inc. ("Alpha Fusion") will present on the clinical development of radiopharmaceutical products at the ...

Wielding proton beams and lasers, physicists have for the first time unlocked one of the key secrets of the rarest naturally occurring element on Earth: astatine. It's so rare that until recently, ...

NEW ORLEANS, May 12, 2025 (GLOBE NEWSWIRE) -- The first-ever U.S.-based meeting of the World Astatine Community will take place June 19-20, 2025 at the Sheraton in downtown New Orleans. The event will ...