Latest articles by Stephanie Pappas
The Human Fossil-Fuel Addiction: Greenhouse Emissions Soar to Record Levels
Despite warnings that there is little time left to get a handle on global warming, carbon emissions are on the rise.
The Earth Is Eating Its Own Oceans
A new study raises questions about the water cycle of the deep Earth.
Extraterrestrial Life Could Be Purple
Earth's early life might have been purple, suggesting the search for extraterrestrial life should scan for the color.
Grinning-Skull Asteroid Set to Whiz by Earth
The "Halloween asteroid" will be a little late this year.
Strange Blobs Beneath Earth Could Be Remnants of an Ancient Magma Ocean
Researchers probe a mystery deep in the Earth's mantle.
Planet Earth Wobbles As It Spins, and Now Scientists Know Why
Turns out, humans are shifting the planet's spin.
Typhoon Mangkhut Bears Down on the Philippines with 165-Mph Winds
A monster storm is poised to hit the Philippines.
Giant Waves Nearly Half a Million Miles Across Seen on the Sun for the First Time
Huge, slow-moving waves that drive Earth's weather and shape the swirls in Jupiter's atmosphere also exist on the sun, new research reveals.
Earth's Magnetic Field Is Drifting Westward, and Nobody Knows Why
Weird, slow-moving waves in the planet's core could explain the mysterious drifting.
This Horrifying AI Thought Experiment Got Elon Musk a Date
SpaceX founder Elon Musk is dating musician Grimes, apparently because of a shared love of nerdy puns.
Gooey, Magma Ocean May Have Once Roiled Inside the Moon
The ancient moon may have had a gooey interior that likely triggered the lunar magnetic field.
Why Earth's Magnetic Field Might Not Flip After All
The magnetic field is likely to recover without major disruption, new research finds.
Why We Might Miss Extraterrestrial Life Even If It's Staring Us in the Face
Researchers use a cosmic gorilla to uncover the dangers of inattention in the search for alien life.
A Third of Young Millennials Are Confused About This Incontrovertible Fact
Younger people seem perplexed about whether Earth is round or flat.
What Will Happen to China's Tiangong-1 As It Falls Through the Atmosphere?
Heat and friction will destroy the space station.
Weirdly Dimmable 'Alien Megastar' Darkens Again
One of the biggest dips in the brightness of Tabby's star points to a possible source for its dusty light-blocker.
Declassified Military Video Shows 'UFO' Off East Coast
One former official said the government is turning away from its responsibilities.
An Electro-Blob Under Africa May Be 'Ground Zero' for Earth's Magnetic Field Reversal
Minerals locked in clays burnt by ancient African farmers reveal the history of Earth's magnetic field.
An Even-Weirder-Than-Usual Tardigrade Just Turned Up in a Parking Lot
The world's newest species of water bear has eight legs and eggs covered with tentacles.
Are Supermassive Black Holes Going to Eat the Universe?
The largest black holes grow faster than their galaxies, according to new research.
These Are the Most Out-of-This-World Photos Ever Taken — Literally
The photos don't look like much: blurry green splotches against pixelated blue. But they're arguably among the most amazing photographic images ever.
