The study examined nearly 100,000 people who took COVID-19 swab tests at home between June 24 and July 12.
One estimate suggests that 13 billion tons (12 metric tons) of ice made its way into the ocean on a single day.
Billions of years ago, a slowdown in Earth's rotation period lengthened days and offered photosynthesizing bacteria the chance to release more oxygen, transforming the planet.
From worlds that rain iron and glass to diamond worlds and planets that have escaped the grip of their parent stars, here are 10 of the most extreme alien planets.
After 60 years, a missing piece of Stonehenge finally returns to the U.K., revealing secrets about the age and structure of the rock in the monument's iconic pillars.
Hundreds of sharks have taken refuge in a Florida canal to escape the toxic red tide, an algal bloom sweeping the Gulf Coast.
Researchers found that dogs react differently to false information given to them by a misinformed human than they do to a human who is flat-out lying to them.
Albert Einstein described Emmy Noether as a "creative mathematical genius" who, despite "unselfish, significant work over a period of many years," did not get the recognition she deserved.
Fascism is a political ideology usually characterized by authoritarianism and nationalism. However, many scholars say the concept is difficult to define.
AI firm DeepMind says it can predict the shape of every protein in the human body and in 20 species of research animals.
The Blue Origins rocket New Shepard launched to the edge of space today, with former Amazon CEO Jeff Bezos and three other passengers onboard.