How old is planet Earth?
How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.
By Harry Baker published
Earth from space A recent satellite image captured the reemergence of a unique, UFO-like cloud, known as the "Taieri Pet," which appears above New Zealand's South Island when conditions are just right.
By Harry Baker published
A new NASA-led study suggests that photosynthetic microbes could thrive in hidden bubbles of meltwater below patches of ice on Mars. This could be one of the easiest places to search for extraterrestrial life "anywhere in the universe," the team says.
By R. Alexander Bentley published
Whether intentional or not, the way mega-settlements in southeastern Europe from 6,000 years ago were laid out would have cut down on the spread of disease.
By Harry Baker published
Half a dozen dinosaur eggs, each around the size of a grape, were recently saved from a construction site in China. Researchers say the tiny fossilized shells are exceptionally well preserved.
By Patrick Pester published
People all over the world believe they've seen or heard a ghost, but there's no scientific evidence for spirits, hauntings or the paranormal. So what's behind these "encounters"?
By Skyler Ware published
Scientists studying the infamous 3-body problem have discovered certain "islands of regularity" that emerge from the gravitational chaos.
By Alexander McNamara published
Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard
By Harry Baker published
A new study captured never-before-seen footage of hydrogen and oxygen atoms combining to form a miniature water droplet out of "thin air." The newly improved reaction could one day help astronauts make water in space.
By Kashmir Hill published
"Concerns about facial recognition had been building for decades. And now the nebulous bogeyman had finally found its form: a small company with mysterious founders and an unfathomably large database."