399 results
399 results for: exoplanet
- Astronomy
To determine stars’ physical traits, Kepler sees the light
Measuring stellar brightness can yield useful estimates of stars' size and evolutionary stage, and help in the hunt for planets.
- Tech
Reader favorites of 2013
For this issue, the editors selected the 25 most important and intriguing science stories of the year. But online readers seemed to point to a different bunch, showing just how subjective such an exercise can be.
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- Space
Smallest planet found orbiting distant star
NASA’s Kepler space telescope snags an exoplanet tinier than Mercury.
- Astronomy
Most Earthlike planets yet seen bring Kepler closer to its holy grail
Space telescope finds globes that, compared with our world, are slightly larger and orbit a smaller star.
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2012 International Astronomical Union General Assembly
Science News’ coverage of the IAU meeting held August 20-21 in Beijing.
- Space
Super-Earth joins ranks in life-supporting zone
The large exoplanet lies just 42 light-years away.
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Earth’s new neighbor looks familiar
Planet discovered in Alpha Centauri, just a few light-years away.
- Space
No vacancy around stars
The Milky Way’s planets pack tightly around their stars, according to simulations using data from the Kepler space telescope.
- Planetary Science
Planetary Peekaboo
Astronomers aren’t playing games when it comes to spotting an exoEarth.
- Astronomy
Billions and billions of Earth-sized planets call Milky Way home
Using Kepler data, astronomers estimate that a sizeable fraction of the galaxy’s sunlike stars have Earth-sized planets that could support liquid water.
- Space
Evening star goes black in rare celestial event
Astronomers position themselves to capture crucial measurements as the planet passes across the face of the sun.
