Two NASA spacecraft have recorded the biggest meteor strikes and impact craters on Mars than ever before. One of the spacecraft is on Mars' surface. The other is orbiting the planet. The impacts last year produced seismic waves that travelled thousan...
Researchers say they have discovered part of the oldest known map of the stars in an ancient document. The document was first found in a Christian center, called a monastery, in Egypt. It was made of a material created from animal skin, called parchm...
Water Retention Technology Improves Crop Growth in Africa Increasingly severe droughts in Africa make it very hard to grow food, especially in the dryer areas of the continent. But a water system developed in the United States is helping improve crop...
The U.S. wildlife agency says Antarctica's emperor penguins are now threatened because of the effects of climate change. The U.S. Fish and Wildlife Service recently issued a warning that the species is in danger of disappearing, or becoming extinct,...
Elon Musk has taken ownership of Twitter. Musk immediately removed the company's top leaders. But no one knows exactly what the billionaire businessman will do with the social media service. The bird is freed, Musk wrote on Twitter after he completed...
A NASA space instrument designed to study dust in the atmosphere and its effects on climate change is also detecting worldwide emissions of methane, a powerful greenhouse gas. The device is called an imaging spectrometer. It has identified more than...
Meta Demonstrates AI-Powered Speech-to-Speech Translation System Facebook parent company Meta has built a technology tool designed to directly translate spoken speech from one language to another. Meta recently released a video that demonstrated how...
Colorado's water quality agency recently gave early approval to rules about direct potable reuse. It is a process of treating sewage and sending it directly for use without first putting it in a large water body. Should the move be approved in a fina...
Floppy Disks Get Second Life at Recycling Service Do you know the save icon on your computer? It is a picture of a floppy disk. Back in the 1900s, they were the main way computer files were saved and stored. Back then, there were no USB flash drives...
After Summer Trip, NASA Explorer Arrives at Mineral-rich Area of Mars The American space agency NASA says its Curiosity vehicle has reached its next exploration target on Mars. The explorer, or rover, reached an area that NASA scientists call Mount S...
Study: Medieval Plague May Have Shaped Human Immunity Genes that helped people survive the plague hundreds of years ago may have made people more vulnerable to some diseases today, a new study says. The information is a good example of the way germs...
Scientists Getting More Precise Details on Climate Change Scientists have long been predicting that global warming will increase extreme weather events around the world. 长期以来,科学家一直预测,全球变暖将会增加世界各地的极端...
Study: Neanderthals Formed Small, Close Communities A new study suggests Neanderthals formed small, close communities where females may have traveled to move in with their mates. The research used genetic investigation to offer an idea of Neanderthal...
Floating Device Deployed off Chile to Protect Whales from Ships A device floating in waters off the coast of southern Chile aims to collect data on nearby whales to protect them from passing ships. 漂浮在智利南部沿海水域的一种装置旨在...
Experts: Human Involvement Can Help Prevent AI Mistakes Security experts say artificial intelligence (AI) systems used by businesses can make serious, costly mistakes. But one way to avoid such mistakes is for companies to employ humans to closely wa...