An artist’s rendering of the merger of two neutron stars.  Image: Robin Dienel/The Carnegie Institution for Science via The New York Times

A collision of two neutron stars, 130 million light years away, has opened up “a new window on the Universe”. The spectacular event which occurred on (...)

 The silhouette of a scientist against a visualisation of gravitational waves. Photograph: Julian Stratenschulte/EPA

Three US scientists whose search for elusive ripples in space-time led to the first detection of gravitational waves have been awarded the Nobel Prize(...)

Trinity College Dublin has climbed several places in the Times Higher Education world university rankings for 2018. Photograph: iStock

Trinity College Dublin has climbed several places in the Times Higher Education world university rankings for 2018. Brexit means “great opportunities(...)

Trinity College Library: TCD welcomed its higher ranking which placed it in the top 1% of universities worldwide. Photograph: The Irish Times

Ireland’s top universities are climbing back up international rankings following a decade of cutbacks which meant many of them tumbled down influentia(...)

Mike Brown, professor of planetary astronomy, points to the gold ring showing the orbital path of Planet Nine at Caltec in California. Photograph: Patrick T Fallon via Getty Images

Astronomers were shocked last January when a research team floated the possibility that there might be an as yet undiscovered large planet lurking fa(...)

The Arctic is heating up faster than anywhere else and the results are plain to see: the ice is melting. Photograph: Cory Glencross/iStock/Getty

It was the target that should not have been reached, the target that must not be reached, yet it has been reached. The relentless advance of climate(...)

Trinity College Dublin was omitted from the rankings as it supplied incorrect data. Photograph: Dave Meehan/The Irish Times

Irish universities have failed to rank in the top-200 for the first time in the latest set of influential global rankings. Trinity College Dublin (TC(...)

The evidence suggests that Planet Nine is 20 times farther from the sun than Neptune and 10 times more massive than Earth

Pluto, discovered in 1930, orbits in the Kuiper Belt, a ring of asteroids and icy debris beyond Neptune. About 10 years ago it was reclassified as a (...)

This concept illustration shows a distant view from Planet Nine back towards the sun. Photograph: HO/Caltech/AFP/Getty Images

Evidence of a hidden giant planet on the fringes of the solar system has been uncovered by scientists using computer simulations. The mysterious worl(...)

Evidence of life on Mars may have been detected by Nasa’s robot ‘Curiosity’. Photograph: Nasa/JPL-Caltech/PA

Methane in the Martian atmosphere and organic chemicals in the red planet’s soil are the latest tantalising findings of Nasa’s Mars Curiosity rover as(...)