A new study updates the planetary boundary framework and shows human activities are increasingly impacting the planet and, thereby, increasing the risk of triggering dramatic changes in overall Earth conditions.
Earth Sciences
Sep 13, 2023
8
298
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
A team of physicists affiliated with several institutions in the U.S. has collaborated on a paper that discusses the possibility of using the Laser Interferometer Gravitational Wave Observatory (LIGO) to search for evidence ...
The Earth's climate has undergone some big changes, from global volcanism to planet-cooling ice ages and dramatic shifts in solar radiation. And yet life, for the last 3.7 billion years, has kept on beating.
Earth Sciences
Nov 16, 2022
0
718
The lower portion of a Martian dust devil was captured moving along the western rim of Mars' Jezero Crater by NASA's Perseverance rover on Aug. 30, 2023, the 899th Martian day, or sol, of the mission. The video, which was ...
Space Exploration
Sep 29, 2023
8
7198
An international team of astronomers has confirmed the existence of K2-415b, an Earth-sized exoplanet circling an M dwarf star, just 72 light years away from Earth. The group has also collected some statistics regarding both ...
A little more than a year ago, a NASA flight test article came screaming back from space at more than 18,000 mph, reaching temperatures of nearly 2,700°F before gently splashing down in the Pacific Ocean. At that moment, ...
Space Exploration
Nov 20, 2023
1
77
Does the existence of life on Earth tell us anything about the probability of abiogenesis—the origin of life from inorganic substances—arising elsewhere? That's a question that has confounded scientists, and anyone else ...
Astrobiology
Sep 26, 2022
3
1733
Of all known planets, Earth is as friendly to life as any planet could possibly be—or is it? If Jupiter's orbit changes, a new study shows Earth could be more hospitable than it is today.
Astronomy
Sep 9, 2022
0
463
NASA wants to come up with an out-of-this-world way to keep track of time, putting the moon on its own souped-up clock.
Space Exploration
Apr 3, 2024
0
320
