Emerging technologies and new strategies are opening a revitalized era in the Search for Extraterrestrial Intelligence (SETI). New discovery capabilities, along with the rapidly-expanding number of known planets orbiting ...
Astronomy
Feb 14, 2020
59
331
A "cold Neptune" and two potentially habitable worlds are part of a cache of five newly discovered exoplanets and eight exoplanet candidates found orbiting nearby red dwarf stars, which are reported in The Astrophysical Journal ...
Astronomy
Jan 14, 2020
3
467
To date astronomers have discovered over 4,000 planets orbiting other stars. Statistically, there should be over 100 billion planets in our Milky Way galaxy. They come in a wide range of sizes and characteristics, largely ...
Astronomy
Jan 9, 2020
2
1050
NASA's Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size planet in its star's habitable zone, the range of distances where conditions may be just right to allow the presence of liquid water ...
Astronomy
Jan 7, 2020
7
2309
In order to search for life in outer space, astronomers first need to know where to look. A new Northwestern University study will help astronomers narrow down the search.
Astronomy
Nov 12, 2019
0
199
Within just 50 light-years from Earth, there are about 1,560 stars, likely orbited by several thousand planets. About a thousand of these extrasolar planets—known as exoplanets—may be rocky and have a composition similar ...
Astronomy
Nov 5, 2019
0
85
Contrary to previous thought, a gigantic planet in wild orbit does not preclude the presence of an Earth-like planet in the same solar system—or life on that planet.
Astronomy
Nov 5, 2019
2
892
An exoplanet may seem like the perfect spot to set up housekeeping, but before you go there, take a closer look at its star.
Astronomy
Oct 31, 2019
14
305
A top a dormant volcano in Hawaii, an extremely delicate instrument—designed to help scientists find distant worlds—is scattered across the floor in hundreds of pieces.
Astronomy
Oct 3, 2019
0
18
I've said many times in the past that the Earth is the best planet in the universe. No matter where we go, we'll never find a planet that's a better home to Earth life than Earth. Of course, that's because we, and all other ...
Astronomy
Sep 25, 2019
2
347
