World CNN Wire

There needs to be enough immunity in the general population from vaccines or infections for the Covid-19 pandemic to transition to an endemic phase -- similar to manageable diseases like influenza. This growing debate on whether Covid-19 is endemic really…

Half a billion years ago, the oceans were filled with life that looked more like aliens than the marine animals we know today. Now, researchers have uncovered the fossil of an unusual creature that was likely a giant compared to…

The president of the UN climate change conference COP26 insisted Tuesday that the event scheduled for November in Glasgow "must go ahead in person," after a network of 1,500 civil society groups dialed up pressure on the UK to postpone…

Some warm-blooded animals are experiencing shifts in their body shapes, likely as a response to the pressures of climate change, according to a new review of existing research.Animals are getting larger beaks, legs and ears that allow them to better…

When a dead star plunges into an active star, expect an explosion of astronomical proportions that isn't supposed to happen yet.Astronomers were able to work out this stellar puzzle after tracing an unusual burst of bright radio waves in 2017.…

El Salvador's highest court has ruled that the country's president can serve two consecutive terms in office, paving the way for current president Nayib Bukele to run for re-election in 2024.The decision was delivered late Friday night by judges appointed…

While we were enjoying the weekend, the Perseverance rover was hard at work making history on Mars.New images with better lighting reveal that the rover did, in fact, successfully collect a Martian rock sample last week. After processing and sealing,…

A top international conservation agency warned that 28% of the 138,374 species identified on its "survival watchlist" as being under threat have now been moved to the more dangerous "red list" -- meaning they are at high risk of extinction.The…

Our planet is wonderfully wild.It's easy to forget that amid the daily hustle and bustle of our lives -- especially for those of us who only see wildlife when a bird or a squirrel darts by the window.Remember when you…

As Afghans flee the Taliban regime and flow into the United States, they are landing in places like Fort McCoy, situated in rural Wisconsin.It's the current temporary home for up to 13,000 recently-evacuated Afghan refugees, though Army officials would not…

Russian cosmonauts Oleg Novitskiy and Pyotr Dubrov conducted a spacewalk Friday to prepare the new Nauka module for operations on the International Space Station.The spacewalk began Friday at 10:41 a.m. ET and ended at 6:35 p.m., lasting seven hours and…

The Perseverance rover successfully drilled into a Martian rock on Thursday, creating an intact core sample that could one day be returned to Earth. But NASA wants better images to make sure the sample is safely in the tube before…

Despite threatening to pull Russia out of the International Space Station prematurely, the head of the country's space agency is now promising to remain NASA's partner at least until the orbiting outpost is eventually retired."This is a family, where a…

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