CNN – World

By Ashley Strickland, CNN Nearly 50 years after it was collected, a lunar sample from the Apollo 17 mission has finally been opened at NASA’s Johnson Space Center in Houston. It’s one of the last unopened samples from the final Apollo mission to land humans on the moon. “We have had an opportunity to open

By Travis Caldwell, CNN As Russia’s invasion of Ukraine enters a new month, the wealthy elite close to Russian President Vladimir Putin are facing a radically changing set of circumstances far from the frontlines. The invasion prompted Western nations to impose restrictive sanctions on Russian individuals and banking institutions. And while a handful of oligarchs

CNN Editorial Research Here’s a look at Easter and Holy Week. On Easter Sunday, Christians celebrate the resurrection of Jesus Christ on the third day after his crucifixion. It also marks the end of the 40-day period of penance called Lent. Easter is considered to be the most important season of the Christian year. Easter

By Ashley Strickland, CNN For years, researchers have sought to understand why Vikings abandoned one of their settlements in Greenland after centuries of success. While some experts have suggested that dropping temperatures may have been the cause, new research suggests the cold wasn’t a factor. Instead, the Vikings faced a new adversary they couldn’t defeat:

CNN Editorial Research Here is a look at April Fools’ Day, also known as All Fools’ Day, celebrated on April 1 every year. History Some historians believe the April Fools’ customs began in France, although no one knows for sure. It may stem from a calendar change in 16th century France — the moving of

By Rachel Ramirez, CNN Since Russia closed its airspace to airlines from dozens of countries at the end of February — in response to sanctions levied for its invasion of Ukraine — about 400 flights per month that had previously been routed over the country are being forced to take a wider berth, according to

By Ashley Strickland, CNN There is a new kind of mystery object in space, and after capturing their best image yet, astronomers are one step closer to understanding these celestial oddballs. They are known as odd radio circles, or ORCs. While the thought of ORCs may bring the goblinlike humanoids from the “Lord of the

By Kristen Rogers, CNN The star ingredient responsible for an airy, bubbly pizza crust is yeast. As cells that eat sugar and convert into carbon dioxide, yeast is what makes dough rise — yet Italian scientists have discovered a way to make pizza dough without it. Because of a severe yeast allergy, Italian materials scientist

By Rob Picheta and Isabelle Jani Friend, CNN Several European nations are facing a new spike in Covid-19 cases because they scrapped pandemic restrictions too soon, a senior World Health Organization (WHO) official has warned. The coronavirus is back on the rise in 18 European countries, including the United Kingdom, France, Italy and Germany, Hans

By Ashley Strickland, CNN European Space Agency astronaut Matthias Maurer’s first spacewalk was an eventful one, beginning and ending with helmet issues. Maurer and NASA astronaut Raja Chari began the spacewalk at 8:32 a.m. ET. At the beginning of the walk, Maurer experienced an issue involving the camera and light assembly on his helmet, which

By Ashley Strickland, CNN An artificial lake off the west coast of Sicily was once one of the largest sacred pools in the ancient Mediterranean 2,500 years ago — and it was aligned with the stars, according to new research. Previously, researchers thought the rectangular lake was a military harbor that participated in Mediterranean trade.

By Rachel Ramirez, CNN Air pollution spiked to unhealthy levels around the world in 2021, according to a new report. The report by IQAir, a company that tracks global air quality, found that average annual air pollution in every country — and 97% of cities — exceeded the World Health Organization’s air quality guidelines, which

By Ashley Strickland, CNN There are now more than 5,000 confirmed planets beyond our solar system, according to NASA. The latest addition of 65 exoplanets to the NASA Exoplanet Archive contributed to the scientific milestone marked on Monday. This archive is the home to exoplanet discoveries from peer-reviewed scientific papers that have been confirmed using

By Scottie Andrew, CNN A young Ukrainian girl who recently performed a moving rendition of the “Frozen” hit “Let It Go” for her fellow citizens at a Kyiv bomb shelter is safe in Poland. And in an emotional performance from her host country, the girl honored Ukraine with an a cappella version of its national