CNN – World

By Sherry Liang, CNN While you’re rummaging through cabinets and crevices trying to find your cat’s new favorite hiding spot, cats may be keeping mental tabs on you, too. A new study out of Japan found that a stationary cat can track its owner’s location using audio cues — specifically, the owner’s voice. Saho Takagi,

By Angela Dewan and Ella Nilsen, CNN The US and China surprised the COP26 climate summit on Wednesday when representatives of the countries announced an agreement to ramp up their climate ambitions, just days before the end of the conference in Glasgow. “There is more agreement between the US and China than divergence, making it

By Amy Cassidy, Ingrid Formanek, Angela Dewan, Rachel Ramirez and Ella Nilsen, CNN It was gender and science innovation day at COP26 on Tuesday, but most of the focus was on countries wrangling over language around global warming limits and who will pay for the impacts of the climate crisis. A picture of the countries

By Ashley Strickland, CNN The ripples created by massive cosmic collisions have reached Earth after traveling across the universe for billions of years. Scientists have detected the largest number of these gravitational waves since the cosmic events were first discovered in 2015, according to new research. Astronomers made 35 new detections of gravitational waves, or

By Rachel Ramirez, CNN The world is on track for 2.4 degrees Celsius of warming above pre-industrial levels, if not more, according to a new analysis — despite countries’ new and updated climate pledges, including those made at the COP26 summit in Glasgow, Scotland. The watchdog Climate Action Tracker (CAT) warned on Tuesday that global

By Amy Woodyatt, CNN NASA has released the first snapshots of Earth taken with its new highly sensitive satellite which is designed to capture high-resolution images of the planet and help track the impacts of climate change. NASA and the U.S. Geological Survey (USGS) have been collecting images of our planet using satellites since 1972.

By Angela Dewan, Amy Cassidy, Ella Nilsen and Rachel Ramirez, CNN The second week of the COP26 climate summit in Glasgow, Scotland, has begun — and things are starting to heat up. Here’s what to know. What a ‘Glasgow Agreement’ might look like The UK’s COP26 presidency released something that is called, quite oddly, a

By Sherry Liang, CNN First came the billionaires, then the movie stars — now ketchup is making its mark on the space race. Heinz revealed its first “Marz Edition” ketchup with tomatoes produced on Earth in Mars-like conditions. A team of 14 astrobiologists worked for nine months at the Aldrin Space Institute at the Florida

By Sheena McKenzie and Joseph Ataman, CNN The United States has reopened its borders to vaccinated international travelers, ending a 20-month travel ban at the same moment Europe is battling a surge of Covid-19 cases that has pushed the continent back into the epicenter of the pandemic. Fully vaccinated travelers from 33 countries — including