Geology
Iron 'Snow' Rains Down on Earth's Core, Scientists Discover
The scientists say the latest findings could have implications for our understanding of several geological processes .
Fatal Earthquake Measuring 6.8 Magnitude Strikes Philippines
The quake is the latest in a series of tremors that have struck the region in recent months.
Thousands of Mysterious Holes Discovered on Seafloor Off California Coast
It is unclear how the holes were formed, although marine trash could partly be responsible.
Earthquakes in Southern California Put Stress on a Major Fault Line
"The Garlock Fault has been quiet for a long time. But there's geologic evidence that there have been large earthquakes on it," the lead author of a new study said.
Why Infamous Vesuvius Eruption That Destroyed Pompeii Was so Explosive
Scientists have uncovered a geological explanation for why some volcanic eruptions are more explosive than others.
The Mystery of the Giant Crystals: How the 36-foot Geode of Pulpí Formed
The geode contains crystals over six foot tall, which are so clear they look like ice.
Sahara Desert Is at Least 4.6 Million Years Old, Ancient Dust Reveals
The desert's age has been the topic of debate for decades among scientists.
Bizarre Image of Mars North Pole Looks Like Melted White Chocolate
The photo was taken by the ExoMars Trace Gas Orbiter—a spacecraft developed by the European Space Agency and the Russian space agency Roscosmos.
Newly-Discovered 'Lost Continent' Found Buried Under Mediterranean
The land mass, now called Greater Adria, split from supercontinent Gondwana 240 million years ago during the Triassic Period—but was forced into the Earth's mantle 140 million years later, when it came into contact with what is now Southern Europe.
Precious Metals Might Be Hiding Deep Beneath the Surface of the Moon
For the study, scientists recreated the extreme pressure and temperature of the moon's interior in the laboratory.
'Massive Pool' of Methane Hidden Deep Beneath Earth's Surface Discovered
The 'abiotic' methane may hold clues about its presence elsewhere in the solar system, researchers say.
Ancient Mars Had Warm Weather and Rainstorms Before Planet Turned Icy
Warmer conditions on Ancient Mars increase the possibility that life developed there, according to researchers.
Earth's Magnetic Field Went Completely Haywire During Last Reversal
The magnetic field last flipped 795,000 years ago in an event called the Matuyama-Brunhes reversal.
Earth's Tectonic Plates Began Moving Around 2.5 Billion Years Ago
When exactly plate tectonics emerged and how it has evolved through time are two of the most significant and hotly debated questions in Earth sciences today.
NASA 'Shake Room' Reveals What Moonquakes and Marsquakes Feel Like
Earth is not the only place that experiences quakes.
Yellowstone's Steamboat Geyser Is About to Smash Its Record for Eruptions
Steamboat is the world's tallest currently active geyser, capable of shooting jets of boiling hot water more than 300 feet into the air.
NASA Captures Spectacular Images of Raikoke Volcano Erupting
The volcano—located in the North Pacific—has long been dormant, with its last eruption occurring in 1924.
Huge Reservoir of Fresh Water Discovered Hidden Deep Beneath the Ocean
The aquifer stretches from Massachusetts to New Jersey—the biggest formation of its kind ever found.
Here's What Geology Will Tell Us If North Korea Tests Nuclear Bombs Again
Estimates of the size of North Korea's test in September 2017 place it between 70 and 280 kilotons of TNT equivalent.
Scientists Discover Ancient Eruption at Dangerous Supervolcano
The volcano famously experienced the largest caldera-forming eruption Europe has seen in the past 200,000 years.
Northern CA Hit by 11 Earthquakes Over Weekend
The largest of the quakes measured 4.5 on the Richter scale.
Video: Enormous Sinkhole Opens Up Next to Hospital
Construction failures are thought to have caused the pit, which measures about 100 ft wide and 50 ft deep.
Almost 100 Dinosaur Footprints Discovered After Storms
"You can clearly see the texture of the skin and scales, as well as four-toed claw marks, which are extremely rare," one scientist said.
Largest Diamond Discovered In North America Revealed
The gem is roughly the size of a chicken egg.
Mystery Seismic Waves Swept Earth—But Nobody Knows Why
"I don't think I've seen anything like it," said one seismologist.
What Earth's Next Supercontinent Might Look Like
Four scientific scenarios for how Earth's tectonic plates might move over the next 200 million years or so.
Ancient Rocks From Grand Canyon Discovered in Australia
The rocks are a missing link from a billion-year old supercontinent.
Dinosaur-killing Asteroid Made Rock Flow Like Liquid
The research could help scientists understand natural disasters like landslides.
Giant Sinkhole Reveals Enormous Hidden Cave Complex
The "world-class" cave complex has a volume of 236 million cubic feet.
Scientists Find Proof That the Earth's Core Is Solid
But they found that the core was softer than previously thought.