About 4.5 billion years ago, a small planet smashed into the young Earth, flinging molten rock into space. Slowly, the debris coalesced, cooled and solidified, forming our moon. This scenario of how the Earth's moon came ...
Planetary Sciences
Apr 8, 2024
0
203
The 1972 Clean Water Act protects the "waters of the United States" but does not precisely define which streams and wetlands this phrase covers, leaving it to presidential administrations, regulators, and courts to decide. ...
Environment
Jan 25, 2024
3
423
Superstorms, abrupt climate shifts and New York City frozen in ice. That's how the blockbuster Hollywood movie "The Day After Tomorrow" depicted an abrupt shutdown of the Atlantic Ocean's circulation and the catastrophic ...
Earth Sciences
Feb 17, 2024
2
260
A team of oceanographers and planetary scientists at the Ocean University of China, working with a pair of colleagues from the U.S. and one in Germany, has found via computer modeling, that recent heat waves in the north ...
A team of astronomers has identified a temperate exoplanet as a promising super-Earth ice or water world.
Astrobiology
Jul 8, 2024
9
2301
Researchers have created an artificial intelligence tool that uses sequences of life events—such as health history, education, job and income—to predict everything from a person's personality to their mortality.
Social Sciences
Dec 23, 2023
5
319
One of the hottest debates in archaeology is how and when humans first arrived in North America. Archaeologists have traditionally argued that people walked through an ice-free corridor that briefly opened between ice sheets ...
Archaeology
Dec 16, 2023
1
1232
A pioneering study has shed new light on North African humid periods that have occurred over the past 800,000 years and explains why the Sahara Desert was periodically green.
Earth Sciences
Sep 13, 2023
1
61
The universe is expanding. How fast it does so is described by the so-called Hubble-Lemaitre constant. But there is a dispute about how big this constant actually is: Different measurement methods provide contradictory values.
Astronomy
Dec 2, 2023
15
1791
Particle physicists have detected a novel decay of the Higgs boson for the first time, revealing a slight discrepancy in the predictions of the Standard Model and perhaps pointing to new physics beyond it. The findings are ...
