404 results
404 results for: exoplanet
- Astronomy
Young, hot exoplanet takes title for longest year
Newly discovered exoplanet sits a whopping 2,000 times farther from its star than Earth does from the sun.
- Science & Society
Humans have pondered aliens since medieval times
People have been fascinated with extraterrestrials for centuries. If only aliens would get in touch.
- Astronomy
Water found on Neptune-sized world
Just four times as wide as Earth, HAT-P-11b is the smallest exoplanet known to store water in its atmosphere.
- Astronomy
Exoplanet water seen in new light
Astronomers used a new technique to characterize the atmosphere of a gas giant exoplanet.
- Astronomy
Planets may emerge from stellar duo gathering icy dust
Gas freezing onto dust grains around a binary star could be setting up a site where comets or even planets might someday form.
- Science & Society
One anniversary to celebrate, one to contemplate
In this issue, both feature articles focus on anniversaries, though of two very different kinds.
- Space
Exoplanet oxygen may not signal alien life
Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.
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- Astronomy
Comets caught zooming around nearby star
The young star Beta Pictoris hosts at least two families of comets, which might mirror our solar system’s past.
- Astronomy
Exoplanet dangerously close to demise
Kepler-91b could be on the brink of death — at least on astronomical time scales.
- Planetary Science
Exoplanet mass revealed in light
A new method could help identify habitable planets.
- Astronomy
Kepler data confirm 715 new exoplanets
The population of planets outside the solar system has grown by about 70 percent, thanks to discoveries culled from Kepler space telescope data. Researchers are announcing 715 new confirmed planets in a February 26 press conference.
