Dec 18 Winter solstice is nearly upon the Northern Hemisphere. Here's what to know about the shortest day of the year By Associated Press Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s the opposite in the Southern Hemisphere, where it is the longest day of the year and summer will… Continue reading
Dec 17 Saturn's moon Titan may not have a buried ocean as suspected, study suggests By Marcia Dunn, Associated Press New research suggests Titan instead may hold deep layers of ice and slush more akin to Earth's polar seas instead of a buried ocean as long suspected. Continue reading
Dec 15 Interstellar comet 3I/Atlas will make closest approach to Earth on Friday By Marcia Dunn, Associated Press Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as close as it will get on its grand tour of the solar system. Continue reading
Dec 10 NASA loses contact with Maven spacecraft orbiting Mars for the past decade By Marcia Dunn, Associated Press NASA said this week that it was working fine before it went behind the red planet. When it appeared again, there was only silence. Continue reading
Dec 10 Humans were making fire 350,000 years earlier than previously thought, study finds By Mustakim Hasnath, Associated Press LONDON (AP) — Scientists in Britain say ancient humans may have learned to make fire far earlier than previously believed, after uncovering evidence that deliberate fire-setting took place in what is now eastern England around 400,000 years ago. The findings,… Continue reading
Dec 10 UN says world must jointly tackle issues of climate change, pollution, biodiversity and land loss By Tammy Webber, Associated Press The most comprehensive global environment assessment ever undertaken calls for a new approach to jointly tackle the most pressing environmental issues including climate change and biodiversity loss that threaten over 1 million plant and animal species with extinction. Continue reading
Dec 09 Bundle up, leave the city and put away the phones. Here's how to watch the Geminids, one of the year's best meteor showers By Adithi Ramakrishnan, Associated Press The Geminids peak this weekend and are visible through mid-December. Continue reading
Dec 05 PHOTOS: The last supermoon of 2025 illuminates December night skies By Associated Press The final supermoon of 2025 graced night skies around the world from Thursday evening through to early Friday, creating some spectacular illuminated scenery. Continue reading
Dec 04 Renowned astronomers fight to protect Chile's night sky from industrial project By Nayara Batschke, Isabel DeBre, Associated Press A rare confluence of factors makes the Atacama an ideal home for some of the world’s biggest astronomical projects – dry climate, high altitude and, crucially, isolation from the light pollution of civilization. Continue reading
Dec 01 When to see the last supermoon of the year By Adithi Ramakrishnan, Associated Press The last supermoon of the year will soon shine in December skies. When a full moon is closer to Earth in its orbit, a so-called supermoon happens. Continue reading