Latest about Ukraine
Chernobyl radiation set off black frog surge while green frogs 'croaked.' Evolution explains why.
Chernobyl frogs' evolution shows how they have adapted to live with higher radiation by turning black.
'Cosmic' and 'phantom' UFOs are all over Ukraine's skies, government report claims
Dozens of 'phantom' and 'cosmic' UFOs have been detected in the skies over Ukraine, a new government report claims.
Scythian arrowheads and Bronze Age dwelling uncovered in Ukraine
Scythian artifacts were found near Bilsk in Ukraine.
What is genocide?
Acts of genocide — trying to partially or completely destroy an entire people or group — have been committed countless times throughout history.
Soviet Union: History, leaders and legacy
Reference The Soviet Union was the world's first communist country and had a major influence on the 20th century — and still has an influence today.
'Lost tapes' from Chernobyl show the haunting fallout of the nuclear disaster
Recently unearthed footage that documented the aftermath of the Chernobyl accident remained hidden for decades.
Russian forces reportedly stole priceless Scythian treasures from Ukrainian museum
Russian forces have reportedly stolen ancient Scythian artifacts made of gold from a museum in Ukraine.
Radioactive material stolen from Chernobyl monitoring lab: Here's what that means.
During Russia's invasion of the city of Chernobyl in Ukraine, looters stole radioactive material from a radiation monitoring laboratory near the city's defunct nuclear power plant.
