SUNSET: 
Fomalhaut b: An Exoplanet Redeemed
New analysis suggests that Fomalhaut b — an exoplanet discovered in 2008 and disputed ever since — really does exist.
Planet Found in Alpha Centauri System
Astronomers announced what might be the closest exoplanet to Earth, a roasted Earth-mass world whipping around the Sun-like star Alpha Centauri B.
IAU Conference Draws to a Close
In the final days of the IAU conference, Jay Pasachoff reports on talks about black holes and exoplanets, and a redefinition of the average distance between the Earth and the Sun.
Science All Around at the IAU
Jay Pasachoff blogs about his experience at the second week of IAU's General Assembly in Beijing, taking in talks on everything from the age of the universe to the history of sunspots.
A Tatooine Family
Astronomers have discovered two exoplanets orbiting two stars, both answering and raising questions about how planets form.
Seeing Exoplanets in a New Light
Researchers have devised a way to peek at the atmospheres of non-transiting exoplanets. The method may prove to be a valuable tool in astronomers' efforts to characterize planets outside our solar system.
Little Scope Makes Big Finds
Scientists using the diminutive KELT North telescope have discovered two extrasolar planets, one of which is unlike anything yet seen. The finding provides researchers with raw material to study exoplanets, but it also demonstrates that sometimes, the little guys can still win big.
Small Planets’ Evolutionary Edge
The discovery that planets can form around a variety of stars — and not just specific types, as previously thought — might open the floodgates on the search for habitable worlds in the galaxy.
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New ALMA Images Stoke Exoplanet Flame
Astronomers have released the first new science results from the Atacama Large Millimeter/submillimeter Array (ALMA), a still-under-construction network of 66 antennas in northern Chile. The new observations suggest the contentious Fomalhaut star system may have two small planets shepherding its gigantic ring.
Twin-Eyed Telescope Sees Sharp Stars
The Large Binocular Telescope has opened one of its new eyes on the sky, revealing exoplanets and stars with a precision that rivals the best ground-based observatories astronomers have.
How Many Rogue Planets Are There in the Milky Way?
A new analysis suggests that "nomad" planets, ejected from their home stellar systems and now adrift in the icy dark of interstellar space., could outnumber stars by as many as 100,000 to 1.
GJ 1214b: A Steam-Bath World
Ever since its discovery in 2009, an exoplanet orbiting a nearby, red-dwarf star has attracted lots of attention from astronomers. New Hubble observations confirm that GJ 1214b is most likely enveloped in a steamy, superheated atmosphere.
Alien Mars Announced
Aided by an amateur astronomer, Kepler scientists have detected an exoplanet system containing three sub-Earth-sized planets, the smallest of which is about the size of Mars.
Kepler Team Confirms Two Hot Earths
Of the Kepler mission's 207 Earth-size candidate planets, two have just been officially confirmed as real.
Young Stars Aren’t So Young
Astronomers age-dating the nearest large association of young stars have found that one subgroup may be twice as old as previously thought.
Kepler Finds a Possibly Habitable World
The hits just keep on coming for NASA's Kepler spacecraft. Today mission scientists announced that they've identified a thousand more candidate planets around other stars. One is Kepler-22 b, a world somewhat larger than Earth where you likely could walk around in shirtsleeve temperatures.
A Dusty Young Star's "Spiral Arms"
Astronomers have known for decades that the young star SAO 206462 is encircled by a thick dusty disk. However, just-released images from Japan's Subaru Telescope show that the disk sports two wings that make it look like a miniature spiral galaxy.
Two Interesting Alien "Worlds"
More and more astronomers are searching for planets around other stars — in the hope of finding the biggest, smallest, hottest, coolest, and most Earthlike candidates. Here's a peek at two recently-discovered oddballs.
Citizen Scientists Track Down New Planets
Using data gathered by the Kepler Space Telescope, a legion of amateur planet-hunting volunteers have perhaps uncovered the existence of two alien worlds.
