The Kepler spacecraft recorded a bunch of irregular dimmings around one of its target stars, designated KIC 8462852. No natural phenomenon explains the dips well.
When astronomers went searching for the planets that must exist around HL Tau, they came up empty — and future searches may not fare much better.
Unexplained ripples have been found racing through a dusty disk.
The Gemini Planet Imager has discovered its first exoplanet, a young Jupiter still glowing with the heat of its formation.
As the IAU General Assembly in Hawaii'i draws to a close, the results were still coming in: a new bevy of dwarf galaxies discovered around the Milky Way, the celebration of the first Dark-Sky Sanctuary, and a new directly imaged exoplanet to boot.
Do sunspots affect climate change? How can you name an exoplanet? Here are the latest results from the world's largest astronomy conference.
Super-Earth HD 219134b is just 21 light-years away, orbiting a nearby orange star that you can see from your backyard.
Astronomers have confirmed the existence of an exoplanet found via microlensing — the first time they’ve been able to successfully follow up on this method.
The Kepler team announced today the discovery of Kepler-452b, an Earth-size planet in the “goldilocks” zone around a Sun-like star. But is it Earthlike?
Astronomers have confirmed that the planet Gliese 436b seems to be trailing a gigantic, comet-like cloud of hydrogen.
Researchers identify titanium oxide as a potential molecule at work in exoplanet atmospheres.
Recent research casts doubt on whether nearby Kapteyn b, a supposed super-Earth circling in its star’s habitable zone, is a planet at all.
New analysis of Kepler observations shows that hot Jupiters' temperatures might predict their weather report.
Observations of nearby super-Earth 55 Cancri e reveal huge, as-yet unexplained changes in the exoplanet’s infrared emission, and volcanoes are one possible cause.
Here's your chance to name an exoplanet, in a process recognized and officiated by the International Astronomical Union. Register your astronomy club or organization by June 1st!
Astronomers have confirmed that the star J1407 seems to have a companion with a gigantic, gap-ridden ring, inside which an “exomoon” might be forming.
Citizen scientists are exploring exoplanets’ birthplaces, classifying more than 1 million infrared sources and finding 37 disk candidates (so far) for follow-up study.
Astronomers have potentially confirmed a five-planet exoplanet system around an 11-billion-year-old star in our galaxy.
The best place to look for nearby Earth-size planets are around the smallest, coolest stars. New research shows that any exoplanets tightly circling their stars might have a better chance of being habitable than previously thought.
As the Kepler mission shifts into its new mode of operations, multiple new searches for exoplanets are in the works.
Have you ever spotted the glow of a “false dawn”? Now astronomers have spotted a similar zodiacal light around nine nearby stars.
An ALMA submillimeter-wavelength image unveils the dawn of planet formation around a surprisingly young star in unprecedented detail.
The comets in the infant planetary system around the star Beta Pictoris fall into two distinct families, with one reminiscent of the solar system’s Kreutz sungrazers.
A new analysis suggests that hot super-Earths might be the skeletal remnants of hot Jupiters stripped of their atmospheres.
A new analysis confirms that an exoplanet thought to orbit in the habitable zone of the star Gliese 581 actually doesn’t exist.