14+ hour, 27+ min ago  (787+ words) Lunar rocks returned by Apollo astronauts have revealed that the early Moon's magnetic field surged to intensities stronger than Earth's before collapsing into long periods of weakness. That pattern resolves a decades-long dispute and shows that the Moon's interior was…...

3+ day, 20+ hour ago  (844+ words) Since 1971, more than 263 retired spacecraft and rocket fragments have been deliberately steered into a single remote stretch of the South Pacific, making it Earth's most concentrated resting place for space hardware. That deliberate pattern of controlled crashes has quietly turned…...

5+ day, 3+ hour ago  (888+ words) Geologists have shown that a vast canyon lies 621 miles (1,000 kilometers) west of the Iberian Peninsula. It opened 37 million years ago when a temporary boundary between tectonic plates split the Atlantic seafloor from east to west. That finding recasts one of…...

5+ day, 9+ hour ago  (817+ words) Coastal sea level around Greenland has now been projected to fall by as much as 13 feet (4 meters) by 2100, overturning expectations for a world defined by rising oceans." As the island sheds ice at extraordinary speed, its own shoreline may pull…...

1+ week, 3+ hour ago  (851+ words) Geologists have resolved a long-standing mystery about how two major rivers in the western United States became connected. They found that a hidden shift deep underground briefly lowered a mountain barrier, allowing one river to cut straight through and join…...

1+ week, 8+ hour ago  (879+ words) A chemical reaction on the ocean floor has emerged as the decisive factor that allowed one planet-wide ice age to last 56 million years while a later freeze ended after just 4 million years. That result overturns the long-standing assumption that volcanic…...

1+ week, 1+ day ago  (1089+ words) A volcano in southeastern Iran has nudged upward by about 3.5 inches (9 centimeters) in 10 months. This might sound like a small rise but it has big significance. A new study used satellite data to spot the change and argues that pressure…...

1+ week, 1+ day ago  (1134+ words) Out on the edge of the West Antarctic Ice Sheet, a group of scientists spent weeks living in tents on wind-packed snow, working shifts day and night. They weren't searching for wildlife or claiming territory " they were drilling deep beneath…...

1+ week, 2+ day ago  (842+ words) About 2.7 million years ago, Earth's climate reached a tipping point that transformed a stable world into one marked by ice ages and abrupt swings. The planet moved from a mostly warm and steady climate to a colder and far more…...

1+ week, 2+ day ago  (904+ words) After a sharp jump in 2024, the oceans rose much more slowly the following year " even as global temperatures and ocean heat kept climbing. That raised an obvious question: If the planet is still warming, why did sea level rise take…...