Why Don't Mountains Grow Forever? By Yasemin Saplakoglu Imagine a world where mountains grow so high, they poke through the upper atmosphere and create a rocky maze for pilots to navigate.
The World's Largest Geode Formed When the Mediterranean Sea Disappeared, New Study Reveals By Brandon Specktor The Pulpí Geode, in southern Spain, is the largest geode in the world. For the first time, scientists think they know how it was made.
This Quiet Fault in Southern California Hadn't Moved in 500 Years. Now It's Slipping. By Nicoletta Lanese Earthquakes that shook Southern California in July set a nearby fault in motion.
What Is the Cryosphere? By Mark Serreze The cryosphere is critical to Earth and its inhabitants, but it is vanishing as the planet warms.
Scorching Hot Take: September Was North America's Warmest Ever By Mindy Weisberger September tied the record for the warmest average global temperatures during that month, according to a new NOAA report.
Underwater Volcano Creates Bubbles More Than a Quarter-Mile Across By Yasemin Saplakoglu In the early 20th century, sailors near Alaska reported seeing black bubbles seeming to boil out from the sea. They weren't wrong.
Scientists Want to Make a 3D Map of the Entire World Before Climate Change Ruins It By Brandon Specktor A nonprofit called The Earth Archive wants to make a 3D map of the entire planet, before the climate crisis changes Earth's face forever.
Who Owns the Arctic? By Emma Bryce Several countries are launching claims to vast swathes of the Arctic seabed. But what does that mean for political and environmental stability in the region?
Frozen Earth in 'Snowpiercer' Is a Grim (and Possible) Future for Our Warming Planet By Mindy Weisberger The grim future of new TNT sci-fi series "Snowpiercer" began with climate change. Could our rapidly warming world undergo a global deep freeze?
'Upside-Down Rivers' of Warm Water Are Carving Antarctica to Pieces By Brandon Specktor Antarctica's ice shelves are under attack at their most vulnerable points.
Tiny, One-of-a-Kind Diamond Is Trapped ... Inside Another Diamond By Mindy Weisberger A diamond inside another diamond was recently discovered in a mine in Russia.
How Do Compasses Tell Which Way Is North at the South Pole? By Chia-Yi Hou As compasses draw closer to the magnetic North and South Poles, they become less reliable.
Earth's Magnetic Poles Can Flip Much More Often Than Anyone Thought By Yasemin Saplakoglu Earth's magnetic field flipped 26 times every million years during the Cambrian period, the highest frequency ever documented.
Daylight Saving Time 2019: A Guide to the When, Why, What and How By Jeanna Bryner Here's everything you've ever wanted to know about Daylight Saving Time (often misspelled as "savings"), including times, dates, its history and more.
'Loose Tooth' Iceberg Calves Off East Antarctica in Surprising Spot By Stephanie Pappas An iceberg the size of the Isle of Skye has broken free from Antarctica's Amery Ice Shelf.
Humans Are Disturbing Earth's Carbon Cycle More Than the Dinosaur-Killing Asteroid Did By Brandon Specktor The anthropogenic climate crisis is disturbing our planet's carbon cycle more than the dinosaur-killing asteroid did.
Hurricane Lorenzo, Strongest Storm Ever This Far East in the Atlantic, Roars Toward the Azores By Mindy Weisberger Hurricane Lorenzo, a powerful storm now bearing down on the Azores, is the strongest hurricane to form this far east in the Atlantic.
'Smoking Gun' Evidence Dates Some of Earth's Earliest Life to 3.5 Billion Years Ago By Mindy Weisberger Fossils show that microbial life was likely thriving on Earth within about a billion years after the world took shape.
What If Earth's Magnetic Field Disappeared? By Stephanie Pappas Earth's magnetic field is weakening, but it's not the end of the world.
Giant Chunk of Mont Blanc Glacier on the Brink of Collapse, Officials Warn By Yasemin Saplakoglu Italian officials have ordered the evacuation of mountain huts and closed down roads near the Planpincieux Glacier, which is at risk of collapse.
