Asteroids can hit Earth - here's why we should be worried
Disasters like the events at Chelyabinsk in 2013 could happen again in the future.
From Chernobyl to supermarkets: A full list of every company hit by 'Petya' cyberattack
Huge ransomware cyberattack is spreading across Europe - who's been hit so far?
Hinkley Point nuclear plant deal 'risky and expensive', says watchdog
The National Audit Office said the government struck deals on assumptions about the price of electricity decades into the future.
Read Queen's Speech in full outlining Tory legislative plans
Queen deliverers speech in House of Lords following opening of parliament
What is little sunfish? Fukushima nuclear plant damage to be inspected by underwater robot
The robot, developed by Toshiba and IRID, will be deployed this summer.
Charlie Gard: What is mitochondrial DNA depletion syndrome?
Charlie's parents want to take the baby to the US for experimental treatment.
Nuclear reactor in Belgium situated close to German border develops 72 new cracks
Activists and German politicians have long called attention to the risks posed by the 40-year-old nuclear plant.
UK green energy generates more power than gas and coal for first time
National Grid said solar, wind and nuclear energy generated more power than gas and coal
Thinking of voting for Corbyn's Labour? Here's why you should vote Green instead
There are some crucial differences between the Green Party and Jeremy Corbyn's Labour.
Nuclear lab accident in Japan leaves 5 workers exposed to high levels of radiation
A bag containing radioactive material broke during an equipment inspection at Oarai Research and Development Centre.
Three Mile Island, scene of largest US nuclear disaster, will finally shut down in 2019
Nuclear station became a touchstone for radiation fears in the late 70s and 1980s.
We think we know Donald Trump's opinions on the Middle East, but what do they think of him?
To some, Trump is "a hero" and "a brother", to others "an idiot with no policy but terrorising" and "a man who spreads war, chaos and killing among people".
Asia: Iran election results and possible OPEC agreement keep market sentiments buoyant
The Hang Seng and S&P/ASX registered the day's strongest gains of 0.94% and 0.76%, respectively
Nuclear weapons tests during Cold War created radiation that altered space weather, says Nasa
The US and former Soviet Union were mainly responsible for the consequences.
Boris Johnson warns of Russia hacking UK election: 'Putin would rejoice' if Jeremy Corbyn won
The Kremlin has been accused of cyberattacks on the US and French elections.
Real-life WarGames? Expert claims careless hackers could cause an accidental nuclear apocalypse
Global nuclear cyber-defence inadequate in face of current threats, expert warns.
Tories put Labour on the defensive with above-inflation military spending pledge
"A strong military is only possible with a strong economy," Prime Minister Theresa May will say.
Leaked Labour election manifesto has plans to re-nationalise energy, rail and mail services
Corbyn pledges to abolish tuition fees and build 100,000 council houses per year.
Emergency declared after tunnel collapse at Washington nuclear site
The site had previously produced plutonium for nuclear weapons, including the one dropped on Nagasaki.
Singapore introduces mandatory death sentence for nuclear terrorism acts
Likelihood of a nuclear terror attack in region remote but rise of Isis means threat must be taken seriously.
France election: All you need to know ahead of the final vote
How the situation stands between Emmanuel Macron and Marine Le Pen ahead of final vote
We now know what causes the world's biggest tsunamis
Horizontal movements of the seafloor are involved in creating massive tsunamis, a finding which challenges years of science.
Communist Party backs Jeremy Corbyn at general election
'The essential first step towards the formation of a left-led government at Westminster.'
Britain has first day without using coal since Industrial Revolution
Energy campaigners said it was a 'watershed' moment.
Rise of solar power could force wind farms to temporarily shut down as UK has 'too much energy'
Increase in households and businesses switching to solar sees the National Grid swamped with surplus juice.
Is Trump about to start a war against North Korea?
Advisers close to the president say that military action against Kim Jong-un's regime "may be the only option left".
Pakistan welcomes US offer to ease tensions, India says no
Pakistan and India react to offer by Nikki Haley, US ambassador to the United Nations.
Within 200 years, Earth will hit CO2 levels it hasn't seen for nearly half a billion years
A 420m-year climate record suggests we are entering uncharted territory in terms of atmospheric CO2.
Astronomer Royal Martin Rees on aliens, parallel universes and the biggest threats to mankind
Rees says extraterrestrial life would either be far less advanced - or they will have developed full electronic intelligence.
Hunting sterile neutrinos: Finding elusive ghost particles is going to be harder than we thought
Experiment to find sterile neutrinos fails again, meaning they remain some of the most mysterious particles in the universe.