Explainers

Amid rising gasoline prices in the U.S. — the average price has topped $4 a gallon for the first time since 2008 — the Biden administration has faced growing pressure to impose further sanctions on Russia, including a ban on oil imports.

Europe’s largest nuclear power plant was hit by Russian shelling early Friday, sparking a fire and raising fears of a disaster that could affect all of central Europe for decades, like the 1986 Chernobyl meltdown.

Russia is accused of using thermobaric weapons or "vacuum bombs" in Ukraine. These weapons are a breach of the Geneva Convention -- guidelines for humanitarian treatment in war.

Friday, the official Ready.gov website updated its guidance about what to do in the case of a nuclear blast. It was not immediately clear if the update was tied to anything specific with the Russia-Ukraine conflict or just coincidental.

Sunflowers, the flower of Ukraine, have popped up everywhere since the Russian military assault on the country.

He portrayed a high school teacher fed up with politicians who accidentally becomes president. Fast forward a few years, and Zelenskyy is the president for real — and his role is as an unlikely hero to many around the world.

There was a tense calm Monday in the Ukrainian capital of Kyiv, but explosions and gunfire were heard in embattled cities in eastern Ukraine as Russia's invasion met unexpectedly stiff resistance.

President Joe Biden tapped federal appeals court Judge Ketanji Brown Jackson to the Supreme Court, making her the first Black woman picked for the high court.

Huggy Wuggy, a popular character from an online video game, is raising concerns among some parents of elementary school aged children.

Russian troops launched a broad, three-pronged assault on Ukraine that opened with air and missile strikes on Ukrainian military facilities and included ground troops invading from Crimea.

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.”

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.

The new full retirement age is 67 for anyone born after 1960.

AT&T becomes the first carrier to shut down its 3G network this week. Beyond mobile phones, here are some of the devices that could be impacted.

Efforts by world leaders to head off a Russian invasion of Ukraine have been dealt a serious blow.