In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

In a study published in Physical Review Letters, scientists at GSI Helmholtzzentrum für Schwerionenforschung have discovered ...

Researchers instead used samarium neodymium (Sm-Nd) dating, a method that takes advantage of radioactive decay of samarium-146 and samarium 147 into neodymium-142 and neodymium 143, respectively. The ...

Potassium-Argon dating is similar to Carbon 14 dating because it uses radioactive decay, measuring the rate of change from an ...

The gold standard for determining the age of ancient rocks is measuring the radioactive decay of isotopes of uranium into lead in minerals known as zircons. But not all rocks contain zircons, so ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

If the new age of these Canadian rocks is solid, they would be the first and only ones known to have survived Earth’s earliest, tumultuous time.

A belt of swirly, stripey rock in the northeast reaches of Canada looks like it contains some of the oldest minerals ever ...

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

British researchers have developed diamond batteries that use carbon-14 to generate microwatts' worth of power for up to ...

Along the eastern shore of Hudson Bay in Canada's northeastern province of Quebec, near the Inuit municipality of Inukjuak, ...

The core of the Red Planet may be filled with sulfur. New experiments have shown that the core of Mars formed much faster ...