The nor'easter smacking much of the Northeast with nearly 3 feet of snow in places is as classic and powerful a blizzard as you can get, the strongest in a decade and up there with the most intense in history, meteorologists said.
NASA's Curiosity Mars rover captured this panorama of boxwork formations—the low ridges seen here with hollows in between them—using its Mastcam on Sept. 26, 2025, the 4,671st Martian day (sol) of the mission. These boxwork formations were created billions of years ago when water leaked through rock cracks. Minerals carried into the cracks later hardened; after eons of windblown sand eroding away the softer rock, the hardened ridges were left exposed.
Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye.
Probability underpins AI, cryptography and statistics. However, as the philosopher Bertrand Russell said, "Probability is the most important concept in modern science, especially as nobody has the slightest notion what it means."
