Two New Neptune-Sized Planets Discovered
86852
or about the size of the planet Neptune, say astronomers from the University of Texas and two other institutions.
71509
Objects in the Kuiper Belt - the region beyond Pluto&#39;s orbit where many comets originate - may be much smaller than astronomers thought, according to observations made with NASA&#39;s Spitzer infrared telescope.
724865
Scientists monitoring data from the Cassini-Huygens mission have discovered two new moons in orbit around Saturn, bringing the planet&#39;s total moon collection to 33.
609969
Scientists said on Thursday they   have spotted an unusually large and light planet orbiting a   distant star -- a discovery that could force them to reexamine   theories about how planets are formed.
282158
Astronomers have yet to find an Earth-size planet beyond our solar system, but that hasn&#39;t stopped them from modeling what these worlds might look like.
108414
A tiny telescope has spotted a giant planet circling a faraway star, using a technique that could open a new phase of planetary discovery, scientists said.
182887
Astronomers have discovered a new class of planets outside the solar system that hug their parent stars so tightly they take less than a day to complete an orbit.
9784
28 new planets orbiting distant stars beyond our solar system are detected by an international team.
56345
Astronomers have discovered the three lightest planets known outside the solar system, moving researchers closer to the goal of finding extrasolar planets that resemble Earth.
46129
A new wide-field sky survey known as SuperWasp discovers two planets orbiting far-distant stars.
234325
Astronomers scouring nearby stars have found two planets that mirror Neptune in size, making them by far the smallest found outside the solar system.
638960
A new class of planets has been found orbiting stars besides our sun, in a possible giant leap forward in the search for Earth-like planets that might harbor life, scientists said on Tuesday.
8907
The Cassini-Huygens mission in orbit around Saturn discovers two new moons around the ringed planet.
720143
In a discovery that has left one expert stunned, European astronomers have    found one of the smallest planets known outside our solar system, a world about    14 times the mass of our own around a star much like the Sun.
714193
A new planet was discovered orbiting a sun-like star 41 light years away, making it the first known planetary quintet outside our solar system, astronomers said Tuesday.
45727
Aug. 31, 2004 - American astronomers say they have discovered the two smallest planets yet orbiting nearby stars, trumping a small planet discovery by European scientists five days ago and capping the latest
59567
Two old stars appear to be generating planets long after the normal period, astronomers say.