Latest articles by Laura Geggel
Iron oxide baked into Mesopotamian bricks confirms ancient magnetic field anomaly
About 3,000 years ago in ancient Mesopotamia, brickmakers imprinted the names of their kings into clay bricks. Now, an analysis of the metal grains in those bricks has confirmed a mysterious anomaly in Earth's magnetic field.
Earth's Magnetic Field Booms Like a Drum, But No One Can Hear It
And for the first time, physicists have recorded the wild drum beats rippling from the magnetic poles.
Earliest documented aurora found in ancient Chinese text
The oldest documented observation of an aurora may be in an ancient Chinese text.
Evidence of 'modern' plate tectonics dating to 2.5 billion years ago found in China
Earth scientists in China have found evidence of a subduction zone dating to 2.5 billion years ago.
Rare primordial gas may be leaking out of Earth's core
A vast reservoir of the rare gas helium-3 may be hanging out in Earth's metallic core.
Sulfur from dino-killing asteroid caused way more global cooling than thought
The dino-killing asteroid lofted huge amounts of sulfur into Earth's atmosphere 66 million years ago, leading to rapid climate change.
How to see the Cold Moon, the longest full moon of the year, this Saturday
Here's why December's Cold Moon is the longest full moon of the year.
How did birds survive the dinosaur-killing asteroid?
A new analysis of a well-preserved ancient bird skull reveals secrets about its brain.
Wildfires burned Antarctica 75 million years ago, charcoal remnants reveal
Antarctica was warmer during the late Cretaceous period, a time when wildfire blazed through the region.
How to see October's full Hunter's Moon this Wednesday (Oct. 20)
October's full moon and the peak of the Orionid meteor shower are happening on the same day this week.
Mount Etna is 100 feet taller than it was 6 months ago
Satellite imagery reveals that Mount Etna has gotten 100 feet taller in the past six months.
52-foot-tall 'megaripples' from dinosaur-killing asteroid are hiding under Louisiana
A seismic image of central Louisiana reveals gigantic megaripple marks dating to the end of the dinosaur age.
Hurricane Elsa, 1st of season, could hit Florida next week
Elsa, The first hurricane of the 2021 season, formed on Friday (July 2).
4.5 billion-year-old particles from the sun lurk in Earth's core and mantle
Are there particles from ancient solar winds hanging out in Earth's core and mantle?
Astrophysicists create the most accurate 'flat map' of Earth ever
Cartographers have struggled to map Earth accurately in 2D for centuries.
Wandering polar vortex may cause a wild, snowy winter
A polar vortex disruption may cause snowy, cold weather in about two weeks.
Blue UFO soars over Hawaii before crashing into the sea
Multiple people saw a strange blue light whiz over Oahu, Hawaii.
Saturn and Jupiter to almost 'kiss' this winter solstice
From Earth's perspective, Jupiter and Saturn will appear a moon's distance apart on Dec. 21.
Gold miners discover 100 million-year-old meteorite crater Down Under
About 100 million years ago, a gigantic meteorite collided with Australia, creating a 3-mile-wide impact crater.
RV-size asteroid to get closer to Earth than the moon
Earth will change the direction of an asteroid that's getting awfully close this week.
Hello fall! Equinox kicks off autumn on Sept. 22
Going forward, the North Pole will be plunged into twilight and then darkness.
The north magnetic pole is leaving Canada for Siberia. These 'blobs' may be the reason why.
While the blob under Canada has weakened, the blob under Siberia has strengthened.
