Russian attack on Ukraine prompts massive traffic jams as people flee Kyiv

Long lines of traffic formed on roadways leading out of the Ukrainian capital of Kyiv on Thursday after Russia launched a wide-ranging attack on the country.

Ukraine Invasion: Russia claims to have knocked out Ukraine air defenses

The Russian military announced early Thursday morning that it has knocked out Ukraine’s air defense assets and airbases, according to the Associated Press.

Russia-Ukraine: What to know as Putin takes military action

Russian President Vladimir Putin has announced a military operation in Ukraine, and he is warning other countries that any attempt to interfere with the Russian action would lead to “consequences they have never seen.”

UN: Wildfires getting worse globally, governments unprepared

A warming planet and changes to land use patterns mean more wildfires will scorch large parts of the globe in coming decades, causing spikes in unhealthy smoke pollution and other problems that governments are ill prepared to confront, according to a U.N. report released Wednesday.

Biden imposes sanctions against Russian oligarchs, banks for ‘beginning’ of Ukraine invasion

The East-West faceoff over Ukraine has escalated dramatically, with Russian lawmakers authorizing President Vladimir Putin to use military force outside his country and President Joe Biden and European leaders responding by slapping sanctions on Russian oligarchs and banks.

Tonga's internet restored 5 weeks after huge volcanic eruption, tsunami

Tonga’s main internet connection to the rest of the world has finally been restored more than five weeks after a huge volcanic eruption and tsunami severed a crucial undersea cable.

Russia sanctions: A look at Biden administration's toughest penalties

The East-West faceoff over Ukraine has escalated dramatically, with Russian lawmakers authorizing President Vladimir Putin to use military force outside his country and President Joe Biden and European leaders responding by slapping sanctions on Russian oligarchs and banks.

'Superbly preserved' pterosaur fossil discovered in Scotland

Scientists say the fossil of a 170-million-year-old pterosaur, billed as the world’s best-preserved skeleton of the prehistoric winged reptile, has been found on the Isle of Skye in Scotland.

Explainer: Has Russia 'invaded' Ukraine?

When Russian President Vladimir Putin authorized troops to cross Ukraine's border into regions controlled by Russian-backed separatists, the White House initially stopped short of calling it an invasion. But not all invasions are viewed as equal.

Ukraine-Russia Crisis: Cyberattacks could affect U.S.

If Russia mounts cyberattacks against the United States, the targets could include banks, power plants, water treatment facilities, and communications. Those attacks could also impact GPS for navigation, farming, automation, and oil exploration.

UN security council to hold emergency meeting amid Ukraine crisis

A long-feared Russian invasion of Ukraine appears to be imminent, if not already underway, with Russian President Vladimir Putin ordering forces into separatist regions of eastern Ukraine.