Since the first planet orbiting a star other than the sun was discovered in 1995, we have realized that planets and planetary systems are more diverse than we ever imagined. Such distant worlds—exoplanets—give us the ...
Astronomy
Nov 27, 2022
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Scientists are discovering increasing numbers of planets in other galaxies that resemble our own. What gives them away? Expert Jérémy Leconte takes a look.
Astronomy
Oct 24, 2022
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45
For the first time, astronomers have found unambiguous evidence of carbon dioxide in the atmosphere of an exoplanet (a planet outside our solar system).
Astronomy
Aug 25, 2022
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The world's focus is sharply fixed on achieving net-zero emissions, yet surprisingly little thought has been given to what comes afterwards. In our new paper, published today in Nature Climate Change, we discuss the big unknowns ...
Environment
Aug 12, 2022
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Over the last 25 years, astronomers have found thousands of exoplanets around stars in our galaxy, but more than 99% of them orbit smaller stars—from red dwarfs to stars slightly more massive than our sun, which is considered ...
Astronomy
Aug 12, 2022
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562
A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...
Planetary Sciences
Jun 16, 2022
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Ninety percent of all exoplanets discovered to date (there are now more than 5,000 of them) orbit around stars the same size or smaller than our sun. Giant stars seem to lack planetary companions, and this fact has serious ...
Astronomy
May 9, 2022
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41
Early risers are in for a celestial treat this weekend when four planets in our solar system align in the sky, culminating in a "romantic" display between Venus and Jupiter.
Astronomy
Apr 29, 2022
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242
Michigan State University's Seth Jacobson and colleagues in China and France have unveiled a new theory that could help solve a galactic mystery of how our solar system evolved. Specifically, how did the gas giants—Jupiter, ...
Planetary Sciences
Apr 27, 2022
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2070
An international team of researchers has found that soil microorganisms respond to warming soil by reducing protein synthesis. In their paper published in the journal Science Advances, the group describes their long-term ...
