Cormac O Raifeartaigh

Countries have acted independently of each other but those that acted early look to have got it right

The point of a strike is to disrupt and that’s what young climate activists achieve

One universe with different determinations of its rate of expansion which do not agree

Observations of solar eclipse confirmed accuracy of theory of relativity

Their existence was posited 2,500 years ago, and they were thought to be ‘indivisible’

No one is immune from political upheaval, but science has a way of weeding out incorrect hypotheses over time

Science and religion make strange bedfellows. One big clash is the central issue of faith

Remarkably few colleges offer first degrees, and senior university posts are rare

A recent claim about dark matter and the origin of stars is being treated with scepticism. As it should be

COP23 in Bonn confirmed climate change as the defining issue of our time

How can policy-makers discern between genuine disagreement among experts and false uncertainties raised by commercial interests?

It’s become an article of faith among conservatives that the effect of greenhouse gas emissions on global climate is a myth, but this blind faith will have tragic consequences

Hoyle’s resistance to Big Bang provoked astronomers into testing the theory of the universe

Waterford Institute of Technology wants to go it alone as a technological university, rather than merge with Carlow IT. Where does that leave third-level education in the region?

Scientists’ careers are increasingly dependent on how often they publish research. But the ‘publish or perish’ metric has its problems, and can lead to shady practices

Physics lecturer tries out a question on the project maths paper