The indigenously designed and built Prototype Fast Breeder Reactor (PFBR) at Kalpakkam attained first criticality on April 6.

India’s most advanced reactor has set the country on a path towards potentially cutting its dependence on uranium.

India’s Kalpakkam fast breeder reactor achieves criticality, marking a major step toward energy self-reliance by utilising ...

"Massive respect to the scientists and engineers who pulled off this incredibly complex indigenous feat." ...

Prime Minister Narendra Modi highlighted a key milestone in India’s nuclear programme as the Kalpakkam fast breeder reactor ...

The initiation of a controlled nuclear fission chain reaction at the Prototype Fast Breeder Reactor sees India move into the second stage of a three-stage nuclear programme which ultimately aims to ...

India has brought a long-delayed but strategically important nuclear project to a key operational ...

With this achievement, the country formally entered the second stage of the three-stage nuclear power programme envisioned by ...

Thu, April 24, 2025 at 6:00 PM UTC It is possible to recycle the U-233 decay into new fuel, or continue fueling the machine with it as is, the latter of which is usually done with molten salt reactors ...

Why aren’t we using thorium in nuclear reactors, given the possibility of a meltdown is nearly zero and the waste cannot be used to make bombs? — Dennis Dorando, Concord, Calif. In a word: precedent.

Has any element on the periodic table gotten better press lately than thorium? (Okay, maybe lithium, what with all the fuss over electric-car batteries.) The December issue of Wired has a long feature ...

NASA’s Lunar Prospector spacecraft mapped lunar elements while orbiting the Moon in 1998 and 1999. Now, a team of scientists led by David Lawrence at Los Alamos National Laboratory in New Mexico has ...