Credit: Unsplash/CC0 Public Domain Earth's atmosphere, ocean, and life have interacted over the past more than 500 million years in ways that improved the conditions for early organisms to flourish.…
The motion of the Earth's inner core is slowing down. No one can say why. (NASA)Geophysicist John Vidale noticed something startling while tracking the way seismic waves travel from the…
Prehistoric people hunted woolly mammoth. A growing body of research suggests that this species – and at least 46 other megaherbivore species – have been driven to extinction by humans.…
The supply of dissolved oxygen in bodies of water around the world is rapidly declining, and scientists say this is one of the biggest risks to Earth's life support system.Just…
"Hearst Magazines and Yahoo may earn a commission or revenue from certain items through these links."Crossing the planetary boundaries (PB)—a concept that defines nine potential ecological "tipping points"—could spell doom…
Incoming a comet that may be visible to the naked eye as it passes Earth later this year may be doomed to disintegrate before we get a chance to see…
Climate change is causing ice in Greenland and Antarctica to melt, shifting water to equatorial regions and affecting Earth's rotation, which lengthens days by a few milliseconds. Supported by NASA,…
Climate change is altering the Earth to its literal core, new research shows. As polar and glacial ice melts due to global warming, water that was once concentrated at the…
Climate change is altering the Earth to its literal core, new research shows. As polar and glacial ice melts due to global warming, water that was once concentrated at the…
For thousands of years, people have gazed at the vivid auroras dancing in the night sky. But these beautiful displays are more than just a pretty sight. They are a…