Researchers have several ideas as to why people sometimes stick out their tongues when they're concentrating.
From yellow tongue to magic mushrooms growing in a man's blood, we take a look at 10 strange medical cases from 2021.
Remembering the plasma hurricanes, tortoise assassins and dinosaur fight clubs that made 2021 heavier than a black hole.
An international partnership of space agencies just launched JWST, the biggest, most powerful space telescope ever made, in an achievement that was decades in the making.
The omicron variant of SARS-CoV-2 may be less efficient at infiltrating the lungs and spreading from cell to cell, early lab studies suggest.
The $10 billion Webb is considerably bigger and more complex than the Hubble Space Telescope, and it will be going much farther afield as well.
The discovery of a semitrailer-size ichthyosaur from the early Triassic shows that these reptiles got big really fast, evolutionarily speaking.
A solar storm that erupted from the sun on Monday (Dec. 20) may boost northern lights displays around the north pole just ahead of Santa's trip this weekend.
Archaeologists in Egypt have discovered a massive "garbage dump" at the Temple of Hatshepsut in Luxor that is brimming with ancient offerings to a fertility goddess.
A Neolithic tomb in England holds the remains of five generations of family members descended from one man and four women, DNA analysis reveals.
After an asteroid struck at the end of the Cretaceous period, debris from wildfires filled the atmosphere and blocked sunlight across Earth, causing ecosystem collapse and extinctions.