The recently discovered planet TOI-674 b, a bit bigger than Neptune and orbiting a red-dwarf star about 150 light-years away, is a member of an exclusive club: Exoplanets, or planets around other stars, known to have water ...
Astronomy
Jan 14, 2022
0
166
By combining observations from three international spacecraft at Mars, scientists were able to show that regional dust storms play a huge role in drying out the Red Planet.
Astronomy
Aug 17, 2021
0
1006
The sky isn't falling, but scientists have found that parts of the upper atmosphere are gradually contracting in response to rising human-made greenhouse gas emissions.
Earth Sciences
Jul 1, 2021
2
1396
Windy regions high in the atmosphere can transport pollutants like dust or soot thousands of miles around the world and disrupt everyday life for thousands of people.
Earth Sciences
Apr 30, 2021
0
47
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
Clouds form when water vapor in moist packets of air condenses onto atmospheric aerosols, such as particles of dust. The transition from dry particle to liquid water droplet is known as activation. The threshold for activation ...
Earth Sciences
Mar 18, 2021
0
26
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
Since the late 1800s, observers have searched the polar skies for elusive, high-flying clouds that shine in the darkness. These polar mesospheric clouds, or PMCs, are wispy swarms of ice crystals that form in the late spring ...
Earth Sciences
Feb 24, 2021
1
22
Changes in the frequency and intensity of extreme weather and climate events have impacted human safety and the natural environment. Global warming increases holding capacity for atmospheric water vapor, and therefore escalates ...
Environment
Jan 11, 2021
0
10
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
