Rocks at asteroid impact site record first day of dinosaur extinction
When the asteroid that wiped out the dinosaurs slammed into the planet, the impact set wildfires, triggered tsunamis and blasted so much sulfur into...
‘Superbolts’ have 1000x the energy of regular lightning
Though the lightning season is winding down in the Southeastern US, “superbolt” season won’t start until November, according to new research.
The new study maps...
Explosive nitrogen created craters that pock Saturn moon Titan
Lakes of liquid methane on the surface of Titan, Saturn's largest moon, were likely formed by explosive, pressurized nitrogen just under the moon's surface,...
1 billion tons of Kīlauea lava spark algae bloom in North Pacific Ocean
Volcanoes are often feared for their destructive power, but a new study reminds us that they can foster new growth.
A year ago in July,...
Deep-sea sediments reveal solar system chaos
A day is the time for Earth to make one complete rotation on its axis, and a year is one revolution around the Sun...
Scientists find a new duck-billed dinosaur, Kamuysaurus japonicus
The dinosaur, whose nearly complete skeleton was unearthed from 72 million-year-old marine deposits in Mukawa Town in northern Japan, belongs to a new genus...
Heart health tips for Hurricane Dorian
With Hurricane Dorian forecast to impact the Florida, Georgia and North and South Carolina coastal areas this week, the American Heart Association, the world’s...
3.8-million-year-old fossil cranium unveils more about human ancestry
In 2016, researchers in the Afar region of Ethiopia discovered a nearly complete cranium of an early human ancestor, Australopithecus anamensis, that dates to...
New study pinpoints when humans began to dominate the Earth
Archaeologists have identified with unprecedented precision the turning point when humans began to transform the Earth beyond recognition, tracing it to around 3,000 years...
People arrived in North America thousand years earlier than thought
Stone tools and other artifacts unearthed from an archeological dig at the Cooper's Ferry site in western Idaho suggest that people lived in the...