News
Is vaping healthier than smoking?
Experts agree that all else being equal, it is better to vape than to smoke traditional cigarettes, but e-cigarettes come with their...
153,000-year-old footprints from South Africa are the oldest...
A modern dating method has revealed the oldest Homo sapiens' footprints yet, placing bipedal humans in South Africa around 153,000...
2,700-year-old petroglyphs depicting people, ships and...
About 40 ancient rock carvings have been found on a former rocky island in Sweden.
The Tunguska event was the biggest asteroid impact in recorded...
During the Tunguska event, over 8 million trees covering an area of 830 square miles were flattened when an asteroid entered Earth's...
The oldest tree in the world (and the 7 runner-ups)
From Prometheus and Methuselah to trees in remote forests of China, these are the most ancient known trees on Earth.
Earth may have debris from alien star systems trapped in...
A new study questions if our planet could capture rocky and icy visitors from outside the solar system — and how scientists could...
Why do animals keep evolving into crabs?
Crabby bodies are so evolutionarily favorable, they've evolved at least five different times. So why does this process, known as carcinization,...
What was the longest-lasting civilization?
Is the longest-lasting civilization China, ancient Egypt or Mesopotamia? Here's a look at the evidence for each of these enduring...
