An international team of researchers studying dust samples retrieved by the Hayabusa-2 space probe, has found that some of its dust grains are older than the solar system. In their paper published in The Astrophysical Journal ...
When humans, animals, and machines move throughout the world, they always push against something, whether it's the ground, air, or water. Until recently, physicists believed this to be a constant, following the law of conservation ...
General Physics
Aug 8, 2022
9
1481
Scientists at Stanford University have developed a new solution for the challenge of making sure that when carbon dioxide (CO2) is injected underground, it actually stays put.
Earth Sciences
Aug 2, 2022
0
396
Four billion years ago, the Earth looked very different than it does today, devoid of life and covered by a vast ocean. Over the course of millions of years, in that primordial soup, life emerged. Researchers have long theorized ...
Biochemistry
Jul 28, 2022
8
2232
Just like honey slowly dripping from a spoon, parts of the rocky outermost layer of Earth's shell are continuously sinking into the more fluid layer of the planet's mantle over the course of millions of years. Known as lithospheric ...
Earth Sciences
Jul 19, 2022
0
104
New climate models have found that the amount and location of land on a planet's surface can significantly impact its habitability. Astronomers have identified substantial differences in surface temperature, sea ice and water ...
Astrobiology
Jul 11, 2022
0
306
A satellite the size of a microwave oven successfully broke free from its orbit around Earth on Monday and is headed toward the moon, the latest step in NASA's plan to land astronauts on the lunar surface again.
Space Exploration
Jul 4, 2022
2
753
In May 1997, a large earthquake shook the Kermadec Islands region in the South Pacific Ocean. A little over 20 years later, in September 2018, a second big earthquake hit the same location, its waves of seismic energy emanating ...
Earth Sciences
Jun 24, 2022
0
813
Deposits of designated critical minerals needed to transition the world's energy systems away from fossil fuels may, ironically enough, be co-located with coal deposits that have been mined to produce the fossil fuel most ...
Earth Sciences
6 hours ago
0
53
A team of astronomers at Nanjing University has found evidence that Mars likely has more potentially hazardous asteroids in its path than Earth. In their study, posted on the arXiv preprint server, the group investigated ...
