When battles raged in ancient cities, their rocks blazed so brightly that they could be reoriented according to Earth's magnetic field.
It's on a 100,000-year timescale, though, so the next few centuries might not be so comfortable.
We cannot afford to dream about living on other worlds while we continue to destroy ours.
Methane is a shorter-lived but more potent greenhouse gas than carbon dioxide. Cleaning it up could have a quick impact on global warming.
True north, magnetic north, and grid north have aligned. There's also a connection to James Bond.
Based on data since 2000 alone, global warming is still occurring at a whopping 7-sigma significance. How hot will planet Earth get?
Ancient organic chemistry.
One possible vision of the distant future.
Organic molecules can be produced by living or non-living systems. But the recent findings are very intriguing.
Over the past 50 years, 27 leap seconds have been added to our time.
The monsoon rains were not always so reliable.
Since our arrival, humans have driven a seven-fold drop in the mass of wild land mammals.
Recent research suggests that Earth’s magnetic field bounced back just as complex life was starting to emerge on our planet.
Living at a higher elevation is a double-edged sword.
Asteroid collisions aren't always bad.
The new material may make marine uranium extraction economically feasible.
When Cameroon's Lakes Monoun and Nyos exploded, they released clouds of carbon dioxide that suffocated everything in its wake.
"The surface is no longer a record of every impact the moon has ever had, because at some point, impacts were erasing previous impacts."
A team of scientists hopes deep-earth lithium could sustain America's vast demand for batteries. But extracting it won't be easy.
The length of a day oscillates slightly every six years. This was a surprising discovery made last decade. We might now know why.
“I thought, why not direct these high-power beams, instead of into fusion plasma, down into rock and vaporize the hole?”
Some ozone experts seriously doubt the findings.
New research finds that dinosaurs were already adapted to living in cold climates before the end-Triassic mass extinction. But how?
A marine scientist explains the threat of the Loop Current, a 800-pound gorilla of Gulf hurricane risks.
Here's why mega-eruptions like the ones that covered North America in ash are the least of your worries.
An out-of-this-world idea could help reduce some of the risk of solar geoengineering.