As rising sea levels threaten coastal areas, scientists are using an emerging nuclear dating technique to track the ins and outs of water flow.
Earth Sciences
Sep 30, 2021
0
145
A pair of geophysicists from the University of Louisiana at Lafayette working with two independent researchers has found what they believe might be evidence of a massive tsunami created by the Chicxulub asteroid impact. In ...
The seismic discontinuity that occurs at an average depth of 647-654 km, usually called the 660 km seismic discontinuity, is the boundary between the transition zone and the lower mantle. It is considered to be caused by ...
Earth Sciences
Jun 3, 2021
0
4
Hidden beneath a kilometer of ice in northwestern Greenland, an impact crater that could swallow a city the size of London, Ont. is the subject of much debate about its origins and age.
Earth Sciences
Jun 1, 2021
0
7793
The ancient burrowers of the seafloor have been getting a bum rap for years.
Earth Sciences
May 28, 2021
0
26
The crustal record is the geologist's book for studying the history of the Earth. It contains information to understand important aspects such as when the earliest crustal rocks separated from the mantle; the origin and evolution ...
Earth Sciences
Apr 28, 2021
0
5
Last month saw the average concentration of atmospheric carbon dioxide (CO2) climb to almost 418 parts-per-million, a level not seen on Earth for millions of years. In order to get a sense of what our future may hold, scientists ...
Earth Sciences
Apr 15, 2021
2
616
Every year, our planet encounters dust from comets and asteroids. These interplanetary dust particles pass through our atmosphere and give rise to shooting stars. Some of them reach the ground in the form of micrometeorites.
Planetary Sciences
Apr 8, 2021
2
3675
Gas hydrates are a solid compound of gases and water that have an ice-like structure at low temperatures and high pressures. Compounds of methane and water, so-called methane hydrates, are found especially at many ocean margins—also ...
Earth Sciences
Mar 30, 2021
1
47
Several years after scientists discovered what was considered the oldest crater a meteorite made on the planet, another team found it's actually the result of normal geological processes.
Planetary Sciences
Mar 11, 2021
0
150
