News
Three bright stars mark the beginning of summer. Here's...
The appearance this week of the three bright Summer Triangle stars — Vega, Deneb and Altair — marks the beginning of summer in the...
Earth from space: Trio of ringed ice caps look otherworldly...
This 2018 satellite photo of ice caps on the Arctic islands of Russia's Severnaya Zemlya archipelago highlights the beautiful concentric...
Does gum really take 7 years to digest?
Gum is full of non-food items, like resins, emulsifiers and softeners. So what happens when we swallow a piece?
Space photo of the week: 'Earthrise,' the Christmas Eve...
Snapped from lunar orbit in 1968 by NASA astronaut Bill Anders, who died this week at age 90, 'Earthrise' is perhaps the most iconic...
32 times artificial intelligence got it catastrophically...
From chatbots giving truly terrible health advice to facial recognition software incorrectly flagging members of congress as criminals,...
Scientists inserted a window in a man's skull to read his...
New research shows it's possible to use ultrasound waves to monitor activity in the human brain.
Have days on Earth always been 24 hours?
Earth's day used to be five hours shorter, and it's predicted to continue lengthening over time.
Skeletons of Incan kids buried 500 years ago found marred...
Archaeologists in Peru have discovered two 16th-century toddler burials with evidence of smallpox, indicating that the foreign illness...
