3+ hour, 55+ min ago  (756+ words) The rapid climate change we are experiencing today is mainly driven by the greenhouse gases we humans keep releasing into the air. But new evidence from ancient Antarctic ice cores suggests this wasn't always the case for the past three…...

3+ day, 1+ hour ago  (671+ words) A new study may have solved a long-standing mystery about the Moon's magnetism: Why do lunar rocks brought back by the Apollo missions show evidence of an intense magnetic field sometimes rivaling or exceeding that of Earth today? Considering the…...

3+ week, 2+ day ago  (687+ words) Space junk returning to the Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found. Published today in the journal Communications Earth & Environment, the study was led by Robin…...

3+ week, 5+ day ago  (763+ words) Deep inside the Greenland ice sheet, radar images have revealed strange, plume-like structures distorting the layering deposited over eons. Now, more than a decade after their discovery, scientists think they have figured out what causes these structures, and it's a…...

3+ week, 5+ day ago  (664+ words) Researchers have identified a period of sluggish magnetic field flipping for planet Earth, some 40 million years ago " raising big questions about how long these reversals actually take, and how we might be affected by the next one. Magnetic field flips…...

3+ week, 6+ day ago  (736+ words) Although Earth is approximately spherical, its gravity field doesn't adhere to the same geometry. In visualizations, it more closely resembles a potato, with bumps and divots. One of the strongest of these depressions " where the gravity field is weaker " lies…...

1+ mon, 1+ week ago  (380+ words) Geologists have mapped a strange magnetic anomaly in Australia " and in a stunning coincidence, it happens to look remarkably like the continent it lurks beneath. The anomaly seems to feature its own version of Queensland's point in the north, reaches…...

1+ mon, 1+ week ago  (629+ words) From the outside, Earth doesn't seem to have a lot going on in the hydrogen department" but that doesn't mean it's completely lacking in the most abundant element in the Universe. Bound to oxygen, it sits in plain sight as…...

1+ mon, 1+ week ago  (948+ words) While we have sent probes billions of kilometers into interstellar space, humans have barely scratched the surface of our own planet, not even making it through the thin crust. Information about Earth's deep interior comes mainly from geophysics and is…...

1+ mon, 2+ week ago  (435+ words) For more than a century, the Green River's course through the Uinta Mountains in Utah's northeast has been a geological mystery, seemingly defying physics. Rivers carve their paths by flowing downhill across many years, which means they usually follow the…...