6/25/2009STScI-2009-2221.STScI Joins the Search for Other Earths in Space
The Space Telescope Science Institute (STScI) in Baltimore, Md., is partnering on a historic search for Earth-size planets around other stars. (More)
4/1/2009STScI-2009-1522.Hubble Finds Hidden Exoplanet in Archival Data
In 19 years of observations, the Hubble Space Telescope has amassed a huge archive of data. That archive may contain the telltale glow of undiscovered extrasolar planets... (More)
1/7/2009STScI-2009-0324.Hubble Finds Stars That 'Go Ballistic'
Resembling comets streaking across the sky, these four speedy stars are plowing through regions of dense interstellar gas and creating brilliant arrowhead structures and trailing... (More)
1/6/2009STScI-2009-0425.Star Light, Star Bright, Its Explanation is Out of Sight
This pair of NASA Hubble Space Telescope pictures shows the appearance of a mysterious burst of light that was detected on February 21, 2006, brightened... (More)
1/5/2009STScI-2009-0126.Brown Dwarfs Don't Hang Out With Stars
Brown dwarfs, objects that are less massive than stars but larger than planets, just got more elusive, based on studies of nearby multiple-star systems... (More)
2008
12/9/2008STScI-2008-4127.Hubble Finds Carbon Dioxide on an Extrasolar Planet
NASA's Hubble Space Telescope has discovered carbon dioxide in the atmosphere of a planet orbiting another star. This is an important step along the trail of finding... (More)
11/13/2008STScI-2008-3928.Hubble Directly Observes Planet Orbiting Fomalhaut
Astronomers using NASA's Hubble Space Telescope have taken the first visible-light snapshot of a planet orbiting another star. The images show the planet, named Fomalhaut... (More)
3/19/2008STScI-2008-1130.Hubble Finds First Organic Molecule on an Exoplanet
NASA's Hubble Space Telescope has made the first detection ever of an organic molecule in the atmosphere of a Jupiter-sized planet orbiting another star. This breakthrough... (More)
1/10/2008STScI-2008-0131.Circumstellar Dust Takes Flight in 'The Moth'
What superficially resembles a giant moth floating in space is giving astronomers new insight into the formation and evolution of planetary systems. This is not your typical... (More)
2007
12/11/2007STScI-2007-4432.Hubble Finds that Extrasolar Planet Has a Hazy Sunset
A team of astronomers, led by Frederic Pont from the Geneva University Observatory in Switzerland, has detected for the first time strong evidence... (More)
12/4/2007STScI-2007-4233.How White Dwarfs Get Their 'Kicks'
NASA's Hubble Space Telescope is providing strong evidence that white dwarfs, the burned-out relics of stars, are given a "kick" when they form. The sharp vision of Hubble's Advanced... (More)
1/31/2007STScI-2007-0736.Hubble Probes Layer-cake Structure of Alien World's Atmosphere
The powerful vision of NASA's Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of the atmosphere of a planet orbiting... (More)
1/8/2007STScI-2007-0337.Astronomers Map a Hypergiant Star's Massive Outbursts
Using NASA's Hubble Space Telescope and the W.M. Keck Observatory, Kameula, Hawaii, astronomers have learned that the gaseous outflow from one of the brightest super-sized... (More)
1/7/2007STScI-2007-0238.Hubble Observations Provide Insight into Planet Birth
Hubble observed a "blizzard" of particles in a disk around a young star revealing the process by which planets grow from tiny dust grains. The particles... (More)
2006
12/11/2006STScI-2006-5439.Heavyweight Stars Light Up Nebula NGC 6357
The small open star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 in Scorpius, about 8,000 light-years away from Earth. Some of the stars in this cluster... (More)