Space.comTopic:
Latest News About Alien Planets
An alien planet orbits a star other than our sun, and is sometimes called an "exoplanet." Learn more about the types of alien planets, including exoplanets and extrasolar planets, and get the latest news.
3
Practically all sun-like stars have planets, and one in six has a planet the size of Earth, scientists say.
One in six stars in our galaxy hosts an Earth-size planet in a tight orbit.
Astronomers have spotted comets in six more alien star systems, bringing the tally to 10.
Alien planets born in widely separated, two-star systems are in danger of being booted into interstellar space.
A new study suggests planets are extremely common throughout the galaxy.
The epic find should change the way humanity views its place in the universe.
A brief rundown of some of the year's record-breaking astronomical finds.
In a few billion years, Earth will be sterilized by a bloated, red giant sun.
The newly detected planet is one of five found circling the star Tau Ceti, which sits 12 light-years away.
Space artist Cook says a few words about some of her favorite exoplanet pieces.
Cook explains how she visualizes newfound worlds too distant to see with current instruments.
The Habitable Exoplanets Catalog has seven candidate planets listed so far, and the pace of discovery is increasing, says its founder.
The European Southern Observatory's observations in the last five decades altered our ideas of how the universe is put together.
Dust particles are glomming together around the star UX Tauri A to form future planets.
The shifting habitable zones of such stars present too big a hurdle for life to leap.
The newfound alien planet Kappa Andromedae b 13 times the mass of Jupiter.
This exoplanet is 13 times the mass of Jupiter and is a good test case for planet formation, scientists say.
The Kepler mission should run through at least 2016.
3
