Scientists call for more research into the last time when atmospheric carbon dioxide levels were the same as today.
The comments came as talks continue between Theresa May and Jeremy Corbyn to break the Brexit deadlock.
Chelsea manager Maurizio Sarri says he is "lucky" to have so many squad options as a new-look side beat Brighton.
The ex-US vice-president says he hears his accusers and concedes "social norms are changing".
Son Heung-min scores Tottenham's first goal at their new £1bn stadium as Mauricio Pochettino's side climb to third with victory over Crystal Palace.
A judge recommends the accused seek legal advice before discussing the case with their children.
Callum Hendry scores on his first St Johnstone start of the season as Dundee stay two points adrift at the bottom.
Manchester City return to the top of the Premier League with a comfortable victory over Cardiff City at Etihad Stadium.
Celtic took a step closer to retaining the Scottish Premiership title as they edged to a win over relegation-threatened St Mirren in Paisley.
Labour's leader says "not as much change as expected" came out of his Brexit talks with the prime minster.
A "programme of work" is agreed while Jeremy Corbyn calls the talks "useful but inconclusive".
A team searching for containers that fell into the sea in a storm has found a 16th Century wreck.
It is "absolute nonsense" a no-deal Brexit could be easily managed, Bank of England governor says.
The bodies of Tony Meadows and his wife Paula, both in their 80s, were discovered at their home.
MITCHELL, S.D. ? One person has died in a one-vehicle crash that occurred two miles east of Mitchell.
With action Wednesday to approve it, a new doctoral program in cyber defense at Dakota State University will address growing cyber threats and workforce needs, while providing DSU graduates with a foundation in security issues, practices, politics, risk analysis, and cultures of terrorism, as well as research methodology and practice.
To address a critical need for special education teachers across this state and region, the South Dakota Board of Regents this week approved offering a new online master?s degree in K-12 special education from Black Hills State University.
The US actor is praised for his "unique" take on the villainous comic book character.
Eileen McAdie died after being given blood-pressure medication instead of pain relief drugs.
The scheme aims to "right the wrongs" of a "terrible mistake" that affected thousands, home secretary says.