Between 2.5 and 4 billion years ago, a time known as the Archean eon, Earth's weather could often be described as cloudy with a chance of asteroid.
Earth Sciences
Oct 21, 2021
1
248
The stormy, centuries-old maelstrom of Jupiter's Great Red Spot was shaken but not destroyed by a series of anticyclones that crashed into it over the past few years.
Astronomy
Mar 17, 2021
1
2184
An atmosphere is what makes life on Earth's surface possible, regulating our climate and sheltering us from damaging cosmic rays. But although telescopes have counted a growing number of rocky planets, scientists had thought ...
Astronomy
Mar 15, 2021
3
2947
YAN Dongdong, GUO Jianheng and Xing Lei from Yunnan Observatories of the Chinese Academy of Sciences, collaborating with Huang Chenliang from University of Arizona, deduced that there is an expanding and escaping thermal ...
Astronomy
Feb 18, 2021
0
32
Both Earth and Mars currently have oxidising atmospheres, which is why iron-rich materials in daily life develop rust (a common name for iron oxide) during the oxidation reaction of iron and oxygen. The Earth has had an oxidising ...
Astronomy
Feb 16, 2021
1
1415
Using observations from NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a trio of hot worlds larger than Earth orbiting a much younger version of our Sun called TOI ...
Astronomy
Feb 12, 2021
0
1176
Researchers said Wednesday they had observed water vapour escaping high up in the thin atmosphere of Mars, offering tantalising new clues as to whether the Red Planet could have once hosted life.
Planetary Sciences
Feb 10, 2021
1
2780
When the Mars Perseverance rover lands on the red planet on Feb. 18, 2021, it will not only collect stunning images and rock samples; the data it returns may also include some recorded sounds from Mars.
Space Exploration
Jan 14, 2021
0
17
The ultra-powerful James Webb Space Telescope will launch soon. Once it's deployed and in position at the Earth-Sun Lagrange Point 2, it'll begin work. One of its jobs is to examine the atmospheres of exoplanets and look ...
Astronomy
Dec 24, 2020
2
905
Scientists using an instrument aboard NASA's Mars Atmosphere and Volatile EvolutioN, or MAVEN, spacecraft have discovered that water vapor near the surface of the Red Planet is lofted higher into the atmosphere than anyone ...
Space Exploration
Nov 13, 2020
2
81
