One million people had fled Ukraine in seven days and Russia claimed its first major city and destroyed swathes of several others.

Scientific and cultural exchange is vital for international peace and academic freedom, but now it’s time to support Ukraine.

Many countries have made their position on the invasion of Ukraine clear, for others the situation is a lot more complicated.

Scientists are finally beginning to unravel the biological mechanisms of anosmia, the abrupt loss of smell experienced by some COVID patients.

Yaryna Arieva and Svyatoslav Fursin are Ukraine’s honeymoon heroes; a newlywed couple who made their wedding vows, then started fighting off the Russians.

The congressional committee investigating the US Capitol riots alleges in a court filling that it has “evidence and information”.

Our strong bipartisan response to Russia’s invasion of Ukraine is very welcome, but in recent years Australia’s record in global affairs has not been so good.

Russia appeared to be preparing to increase the brutality of its campaign against Ukraine, US Ambassador to the UN said.

While Russia wreaks havoc and causes death above ground, in bomb shelters and hospital basements, Ukrainians continue to give life.

The best photos from around the world

Today’s children are not the first generation to grow up with wars and distressing world events. But kids have never before had access to so much information about the conflicts, so it’s important they have trusted people to talk to.

Ukrainians are fighting back against one of the biggest militaries in the world to stop “a new Iron Curtain falling” in Europe. How did the first week of Putin’s invasion unfold?

Ron DeSantis, a Republican, approached the students and asked them to remove their masks as they waited for him at the news conference.

The group’s creation is the latest sign of how the US and its allies are seeking to isolate Russia from the international financial system.

Putin’s invasion of Ukraine is the act of a kleptocratic dictator, not the expansion of the motherland that Russians would expect of any leader.

Russia has launched multiple missile strikes in the hours since US President Joe Biden told the Russian leader he had “no idea what’s coming”.

Military experts agree Vladimir Putin bungled the initial stage of the conflict and that the Russian military has so far performed well below expectations. 

The protests have led to a more charged political atmosphere across New Zealand, forcing Prime Minister Jacinda Ardern’s security detail to be beefed up.

One speech won’t necessarily change Biden’s political fortunes, but it was exactly the kind of speech he needed to give.

As the war enters a new and more brutal phase, the capital is likely to be the scene of a decisive and highly destructive battle.

Russian commanders intensified their bombardment of Ukrainian urban areas in a shift of tactics after their six-day assault stalled.

After two years of pandemic living, we are watching the horror of war unfold in Ukraine and struggling with the sense of guilt that our own freedom brings.

Russia-Ukraine war spills into a seventh straight day of conflict.

In his first State of the Union address, Joe Biden spoke as fighting raged in Ukraine six days after Russia invaded the nation, setting off one of the biggest international crises since World War II.

The paltry Vatican policy for dads drew criticism on social media, with one person saying it was only enough time needed to learn how to properly install a car seat.

New Orleans cancelled most of its famous Mardi Gras last year because of the COVID-19 pandemic, but it’s back this year, in full colour and style.

“That’s a world war when Americans and Russia start shooting at one another,” US President Joe Biden said last month. For this reason, the US will likely stay out of the conflict.

Birth rates have been declining for years as Americans marry later and push off having kids but the trend grew more pronounced in the pandemic.

Munich mayor Dieter Reiter said in a news release that the decision came after he issued an ultimatum to the 68-year-old Russian conductor to reject the invasion.

Ukraine is the first hot front line in a new Cold War that will be fought across the globe in a myriad of ways for decades.

Her resumption of duties ends more than a week of heightened concern about the health of Britain’s longest-reigning monarch.

A deadly rocket assault on Kharkiv triggered widespread alarm about the lengths to which the Russian President is willing to go to win the war.

Ukraine’s President has become a hero to millions across the world. It is almost as if Volodymyr Zelensky has spent much of his life rehearsing for this very moment.

Ukrainian resistance against Vladimir Putin’s aggression has been impressive. But without military assistance from the West, the nation must confront Russian might alone.

The best photos from the international wire agencies as chosen by our picture editors

A team of researchers say variations they spotted in an examination of Tyrannosaurus fossils warranted the recognition of two additional species: T. imperator, meaning “tyrant lizard emperor,” and T. regina, meaning “tyrant lizard queen”.

A week ago, China’s embassy in Ukraine told its residents to stay put and fly Chinese flags to protect themselves. Now it is racing to get them out of Kyiv.

Without emissions reductions, some small islands will be uninhabitable in the second half of the 21st century. But it is not too late to change course.

We are approaching a critical phase in the Russian conquest of Ukraine.

An adviser to Ukraine’s interior minister wrote in a text message that “Kharkiv has been subjected to massive Grad shelling”, referring to a type of rocket attack.

With so much energy spent policing alleged micro-aggressions, is there enough left in the tank to combat macro-aggressions?

Experts were puzzled during the pandemic when patients began reporting swelling and redness on their feet, with the condition lasting for months at a time.

Last week, Ukrainian President Volodymyr Zelensky hailed the 13 border guards as heroes and martyrs. Now the Ukrainian navy says they are all alive.

Ukraine - World on edge as Putin puts nuclear forces on alert.

Only a few hours after peace talks began between Russia and Hungarian leaders, reports emerged that 1,000 Russian tanks had launched an attack on Budapest.

A new study of 1.2 million children found the shot still prevents severe illness in them but offers virtually no protection against infection within a month.

In 1968, Russian troops, along with Warsaw allies, invaded Prague. It was an appallingly effective solution to Czechoslovakia’s liberal reforms.

A conviction would give prosecutors more leverage in plea talks with rioters facing the most serious charges. An acquittal may lead others to wait for their own day in court.

The moves came one day after Heritage Minister Pablo Rodriguez said the government would look at “all options” for eliminating the Kremlin-controlled channel from the Canadian broadcasting system.

A near-miraculous transformation has occurred in Germany in just a few days. But it comes at a cost to Germany and required political courage.