The world's most northerly forests could be a "time bomb" of planet-warming pollution as expanding wildfires have released record high levels of planet-heating pollution into the atmosphere, according to a new study.

Russian security officials claimed on Thursday that a small Ukrainian armed group had crossed the Russian border into the southern Bryansk region, allegations dismissed by Kyiv as a "classic deliberate provocation" by the Kremlin.

Demonstrators poured into the streets of Greece after a head-on collision between two trains killed dozens and left scores injured, amid anger over country's poor record on railway safety.

Ukrainian authorities are accusing Russia of trying to export an unlikely phenomenon: teenage gangs inspired by a Japanese anime game who are taking to the streets for mass brawls.

Who will Rupert Murdoch exile from the Fox kingdom?

A short clip of Zelensky's remarks about the US fighting in Ukraine has gone viral. CNN's Daniel Dale breaks down why the dramatic excerpt is not what it seems.

Japan has recounted its islands -- and discovered it has 7,000 more than it previously thought.

Rescue workers are searching for survivors after a head-on collision between two trains killed dozens and left scores injured in central Greece. The crash is raising questions about the country's poor track record of railway safety. CNN's Eleni Giokos has more.

After spending close to five months stuck inside an airport in South Korea, Dmitry is finally able to breathe fresh air. But he is yet to taste freedom -- and his real wait may have only just begun.

Indonesian security forces say they have surrounded armed rebels holding a New Zealand pilot captive in the restive Papua region but will refrain from taking any action that could endanger his life.

The Biden administration has approved an estimated $619 million potential arms sale to Taiwan, including hundreds of missiles for F-16 fighter jets, in a move that will likely further inflame already heightened tensions between Washington and Beijing.