385 results
385 results for: exoplanet
- Astronomy
Exoplanet spin measured for first time
Astronomers measure the spin of a planet outside our solar system, and its days are short: just over eight hours.
- Astronomy
Exoplanets once trumpeted as life-friendly may not exist
Two exoplanets considered among the most promising for hosting life may not exist, a new study suggests.
- Planetary Science
Titan’s haze gives clues to clouds on exoplanets
Titan’s hazy atmosphere may help astronomers better understand what’s going on in the clouds of exoplanets.
- Astronomy
Kepler telescope identifies new ‘habitable zone’ planet
A new analysis of data from NASA’s Kepler mission has uncovered a planet orbiting a sunlike star that could be Earth’s “cousin.”
- Planetary Science
Support grows for a return to ice giants Uranus and Neptune
Thirty years ago, Voyager 2 cruised past Uranus and then on to Neptune. Now planetary scientists think it’s time to go back.
- 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
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.
- 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.
- 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.
- 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.
