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October birthstone: Colorful opal and tourmaline
Take your pick: the October birthstone is either the striking iridescent opal or the many-colored tourmaline. Learn the lore of these pretty gemstones here.
October 1, 2025
Do you sleep less before a full moon? Research says yes
A new study shows that - whether you live in a rural or urban environment - you might sleep less before a full moon.
September 27, 2025
After the International Space Station, what comes next?
Operations on the International Space Station will come to an end in 2030. What's next? Plans are for privately owned, commercially operated space stations.
September 26, 2025
Hurricane Gabrielle strengthens to Category 4
Hurricane Gabrielle has strengthened into a Category 4 storm. It’s 330 miles (530 km) northeast of Bermuda. Those in the Azores should monitor its progress.
September 23, 2025
How many stars can you see on a moonless night?
Have you ever wondered how many stars are visible on a given night? It all depends on how dark your sky is, what your age is, and other limiting factors.
September 23, 2025
Supernova 1181 was described in an ancient Arabic poem
Researchers discovered new evidence of Supernova 1181 in an ancient Arabic poem praising the 12th century military leader and politician Saladin.
September 19, 2025
Artificial photosynthesis breakthrough! Solar fuels to come?
Scientists have developed a new molecule that might bring artificial photosynthesis - and clean, sun-powered fuels - a step closer.
September 4, 2025
Afghanistan earthquake: Impassable roads, inclement weather
The Taliban, which rules war-torn Afghanistan, has asked the world for help with recovery efforts following Sunday's 6.0-magnitude Afghanistan earthquake.
September 2, 2025
Sudan landslide flattens village, leaves uncertain death toll
There are conflicting reports of the death toll today, following Sunday's Sudan landslide in the remote Marra Mountains. But it appears hundreds are dead.
September 2, 2025
Sapphire: September birthstone comes in many colors
Sapphire, the September birthstone, is typically blue, the color caused by small amounts of titanium and iron in the crystal structure.
September 2, 2025
