The chances of an asteroid hitting the earth in 2032 have changed. But what is the risk, really?
The chances of an asteroid, known as 2024 years 4, can hit the land in seven years recently, but experts…
Scientist
NASA will search for signs of life on one of Jupiter's moons
In 2015, Bill Nye was on Marine One with President Obama. The television personality and science advocate was officially there…
New genetic analysis points to Wuhan market as origin of COVID
A new analysis of genetic material collected at a live animal market in Wuhan in the early weeks of the…
Are tiny black holes passing through the solar system?
A mind-blowing hypothesis is gaining ground among scientists: the universe could be filled with microscopic black holes the size of…
The last 25 years have been the driest in centuries in the American West
Three years ago, climate researchers shocked drought-weary Californians when they revealed that the American West was experiencing its driest 22-year…
The Earth's inner core spins more slowly. No one knows why.
Geophysicist John Vidale noticed something surprising while tracking how seismic waves move from the Earth's crust through its core. The…
Commentary: How Trump lied about his climate record during the debate
Two-thirds of the way through Thursday night's presidential debate, CNN journalist Dana Bash finally asked the candidates how they would…
'Orphan Black: Echoes' reflects television's attempt to regain its former glory
This article contains spoilers for the first episode of “Orphan Black: Echoes.” Sometimes a new television show illuminates the limitless…
A small fern with a big secret enters the Guinness Book of Records
Tmesipteris oblancolata is an obscure species of fork fern found in New Caledonia, a French territory in the South Pacific.…
Column: In the land of the giant sequoias, the world's largest tree gets a checkup
SEQUOIA NATIONAL PARK — Around the time of the Han Dynasty and just before the beginning of the Roman Empire,…