Extrasolar planets are being discovered at a rapid rate—4,531 planets in 3,363 systems (with another 7,798 candidates awaiting confirmation). Of these, 166 have been identified as rocky planets (also known as "Earth-like"), ...
Planetary Sciences
Oct 18, 2021
0
27
A compositional link between planets and their respective host star has long been assumed in astronomy. For the first time now, a team of scientists deliver empirical evidence to support the assumption—and partly contradict ...
Astronomy
Oct 14, 2021
0
98
In the early solar system, terrestrial planets like Mercury, Venus, Earth and Mars are thought to have formed from planetesimals, small early planets. These early planets grew over time, through collisions and mergers, to ...
Astronomy
Sep 1, 2021
58
531
The prospects for life on a given planet depend not only on where it forms but also how, according to Rice University scientists.
Earth Sciences
May 10, 2021
0
131
In a novel laboratory investigation of the initial atmospheres of Earth-like rocky planets, researchers at UC Santa Cruz heated pristine meteorite samples in a high-temperature furnace and analyzed the gases released.
Astronomy
Apr 15, 2021
2
838
We are made of stardust, the saying goes, and a pair of studies including University of Michigan research finds that may be more true than we previously thought.
Earth Sciences
Apr 2, 2021
11
6643
Where did Earth's nitrogen come from? Rice University scientists show one primordial source of the indispensable building block for life was close to home.
Astronomy
Jan 21, 2021
2
243
A discovery that links stellar flares with radio-burst signatures will make it easier for astronomers to detect space weather around nearby stars outside the Solar System. Unfortunately, the first weather reports from our ...
Astronomy
Dec 9, 2020
8
289
The amount of long-lived radioactive elements incorporated into a rocky planet as it forms may be a crucial factor in determining its future habitability, according to a new study by an interdisciplinary team of scientists ...
Astronomy
Nov 10, 2020
19
790
An international team of planetary scientists led by astronomers at AOP have found an asteroid trailing behind Mars with a composition very similar to the moon's. The asteroid could be an ancient piece of debris, dating back ...
Astronomy
Nov 3, 2020
2
10735
