When Nasa needed help for their moon mission they came to Dublin looking for Denis O’Sullivan. Photograph: Eric Luke

I have often wondered why people here seem to be so indifferent about the accomplishments made on a regular basis by the many fine scientists we have (...)

Nasa’s InSight lander on the surface of Mars. Photograph: Nasa/JPL-Caltech/via Reuters

The latest automated lander to reach the surface of Mars set up camp last week on the surface of Mars and is already at work. InSight has sent back pi(...)

 Nasa astronaut Peggy Whitson after landing in a remote area outside the town of Zhezkazgan, Kazakhstan. Photograph: Sergei Ilnitsky/EPA

Nasa astronaut Peggy Whitson made a parachute landing in Kazakhstan on Saturday, breaking US records with a career-total of 665 days in orbit. Whitso(...)

Chinese president Xi Jinping and US president Barack Obama formally commit to the Paris agreement in September 2016. Photograph: Stephen Crowley/The New York Times

Land temperatures up, ocean temperatures up, and so too the levels of carbon dioxide and other greenhouse gases implicated in causing climate change.(...)

Without action on climate change experts believe polar bears will  disappear from much of the Arctic. Photograph: Josh Haner/ New York Times

Climate change continues to advance, with new data from two US government research bodies declaring 2016 to have been the hottest year on record. Thi(...)

Ohio Senator John Glenn gives the thumbs up sign from the cockpit of his T-38 jet aircraft as he arrives at the Kennedy Space Center in Cape Canaveral, Florida, US on October 26th, 1998.  Photograph: courtesy George Shelton/Nasa/via Reuters
Obituary: John Glenn
  • People
  • December 9, 2016, 12:28

John Glenn, who became a symbol of the space age as the first American to orbit the Earth, then became a US Senator, has died, aged 95. In just five (...)

Donald Trump: As president, what would he make of research into embryonic stem cells that causes the death of embryos? Photograph: Reuters/Carlo Allegri

Donald Trump has won the US election, so what happens to the conduct of science within the US? Is he likely to increase national research spending? Or(...)

Astronaut Buzz Aldrin during the Apollo 11 trip to the moon in 1969. Astronauts on the Apollo missions to the moon have been found to have much higher rates of cardiovascular disease, according to a new study. File photograph: Nasa via Reuters

Researchers have uncovered unexpected dangers for those brave enough to fly into space. Astronauts on the Apollo missions to the moon have been foun(...)

A computer generated images of the spacecraft on its approach to Jupiter.

A five-year multimillion kilometre journey is almost at an end as the Juno spacecraft prepares for a July rendezvous with the giant planet Jupiter. (...)

This photograph taken through a solar telescope in Guwahati on May 9th  shows the planet Mercury (black dot upper left) transiting in front of the sun. Astronomers are preparing for one of the highlights of the skywatchers’ year, when the Sun, Mercury and Earth all line up -- a phenomenon that happens just a dozen or so times per century. Photograph: Biju Boro/AFP/Getty Images.

A major astronomical event is underway but you would hardly notice it unless someone told you. The planet Mercury is making a transit right now acro(...)

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