Astronomers have made the rare and tantalizing discovery of an Earth-like exoplanet 40 light-years away that may be just a little warmer than our own world. The new paper "Gliese 12 b, A Temperate Earth-sized Planet at 12 ...
Planetary Sciences
May 23, 2024
1
292
If not for the soupy, fast-moving atmosphere on Venus, Earth's sister planet would likely not rotate. Instead, Venus would be locked in place, always facing the sun the way the same side of the moon always faces Earth.
Astronomy
Apr 20, 2022
29
1206
In the search for life on other planets, the presence of oxygen in a planet's atmosphere is one potential sign of biological activity that might be detected by future telescopes. A new study, however, describes several scenarios ...
Astrobiology
Apr 13, 2021
2
5705
As planets in our solar system go, Venus is one for the textbooks.
Space Exploration
Aug 27, 2019
2
513
The Earth is a wonderful blue and green dot covered with oceans and life, while Venus is a yellowish sterile sphere that is not only inhospitable but also sterile. However, the difference between the two is only a few degrees ...
Astrobiology
Dec 18, 2023
2
4207
In the search for life elsewhere in the universe, scientists have traditionally looked for planets with liquid water at their surface. But, rather than flowing as oceans and rivers, much of a planet's water can be locked ...
Astronomy
Mar 15, 2023
0
343
Volcanic activity lasting hundreds to thousands of centuries and erupting massive amounts of material may have helped transform Venus from a temperate and wet world to the acidic hothouse it is today, a NASA paper suggests.
Planetary Sciences
Nov 18, 2022
0
100
Long before the hunt began to find Earth lookalikes around other stars, one planet in the Solar System had already been named Earth's twin. With its similar size and mass, Venus measures very close to Earth, with one major ...
Astronomy
Apr 14, 2015
0
171
Exoplanet K2-18b is garnering a lot of attention. James Webb Space Telescope spectroscopy shows it has carbon and methane in its atmosphere. Those results, along with other observations, suggest the planet could be a long-hypothesized ...
Planetary Sciences
Jan 30, 2024
0
3
In the search for potentially life-supporting exoplanets, liquid water is the key indicator. Life on Earth requires liquid water, and scientists strongly believe the same is true elsewhere. But from a great distance, it's ...
Astronomy
Jan 17, 2024
0
29
