Alpha radiation is made up of a stream of alpha particles emitted from unstable nuclei within a radioactive substance. An alpha particle is also a helium-4 nucleus. It is written as \(_{2}^{ ...

It delivers alpha particle radiation directly to the tumor inside the body, either via its bone-seeking property (radium-223) or by combining alpha radionuclides, such as actinium-225, with ...

A curious question sparked a cosmic deep dive into why light never tires—even after 25 million years on the move.

On May 16, 2011, the space shuttle Endeavour launched on its 25th and final flight. This was also the penultimate mission of ...

Activities planned worldwide and year-round aim to commemorate the advent of quantum mechanics 100 years ago and highlight ...

Get here detailed CBSE Class 12 Computer Science Syllabus reduced, deleted, chapter-wise, marking scheme, weightage, paper ...

Buying Noria and PSMA adds to its pipeline of targeted alpha therapies (TATs), which are designed to deliver alpha particle radiation to localised areas of the body.

Such a mission could let researchers peer through all the light there is, all the way back to the universe’s very first light ...

“The sun determines a lot of our radiation environment. And the further you go out, the worse it gets.” When a cosmic ray or a very high energetic particle slams into normal ... when chips are getting ...

On what might have been the proudest day of Jack Burns’s long career in astronomy, he was sitting on a beach. Orbital ...

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on ...

First of several clinical updates through mid-2026 accepted for presentation at the 2025 American Society of Clinical Oncology Annual Meeting, with recruitment progressing for all three of our ...