Earth-like exoplanets might be in short supply for the Habitable Worlds Observatory
How common are Earth-like exoplanets—also called exo-Earths—and which exoplanetary systems should we target to find them?
How common are Earth-like exoplanets—also called exo-Earths—and which exoplanetary systems should we target to find them?
Planetary Sciences
Aug 20, 2024
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9
A seismic shift occurred in astronomy during the Scientific Revolution, beginning with 16th-century polymath Copernicus and his proposal that the Earth revolved around the sun. By the 17th century, famed engineer and astronomer ...
Planetary Sciences
Aug 7, 2024
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1
One of NASA's key priorities is understanding the potential for life elsewhere in the universe. NASA has not found any credible evidence of extraterrestrial life—but NASA is exploring the solar system and beyond to help ...
Astrobiology
Aug 2, 2024
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182
In an exciting breakthrough for astronomy and the search for extraterrestrial life, a team of international scientists has announced the discovery of Gliese 12 b, a temperate, Earth-sized exoplanet just 40 light-years away—a ...
Astrobiology
Jul 30, 2024
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52
Interest in Earth-like planets orbiting within the habitable zone of their host stars has surged, driven by the quest to discover life beyond our solar system. But the habitability of such planets, known as exoplanets, is ...
Astrobiology
Jul 22, 2024
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156
Humans finally achieved controlled flight on another planet for the first time just a few years ago. Ingenuity, the helicopter NASA sent to Mars, performed that difficult task admirably. It is now taking a well-deserved rest ...
Space Exploration
Jul 3, 2024
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54
The small footprint and dim light of white dwarfs, remnants of stars that have burned through their fuel, may make excellent backdrops for studying planets with enough water to harbor life.
Astrobiology
Jun 13, 2024
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192
Researchers discovered mini-Neptunes around four red dwarfs using observations from a global network of ground-based telescopes and the TESS space telescope. These four mini-Neptunes are close to their parent stars, and the ...
Planetary Sciences
Jun 13, 2024
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58
Using NASA's Chandra X-ray Observatory and ESA's (European Space Agency's) XMM-Newton, astronomers are exploring whether nearby stars could host habitable exoplanets, based on whether they emit radiation that could destroy ...
Planetary Sciences
Jun 12, 2024
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403
A new interactive visual depicts everything on the planet Earth, showing, with scientific precision and breathtaking profundity, how man-made things now outweigh all forms of natural life.
Other
Jun 5, 2024
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18