Extrasolar Planets
Planetary Systems Seen Forming
Both Hubble and the Spitzer Space Telescope have provided astronomers with a view of planetary systems forming around other stars…
Ingredients are There to Make Rocky Planets
Protoplanetary discs surrounding new stars seem to have the building blocks for rocky planets right from the start, according to…
Baby Planet Puzzles Astronomers
In June, researchers from the University of Rochester discovered a planet around a star so young that it shouldn't exist…
First Direct Image of An Exoplanet?
A team of European and US astronomers think they've taken the first direct image of a planet orbiting another star…
New Class of Planets Found
Astronomers announced today that they have discovered a new class of extrasolar planets which are between 10 and 20 times…
Smallest Extrasolar Planet Found
A team of European astronomers have used the European Southern Observatory's HARPS Instrument to find the smallest extrasolar planet ever…
Small Telescope Finds a Huge Planet
Planet hunting has traditionally only been possible with very large telescopes, capable of detecting tiny changes around distant stars which…
The Search for More Earths
When astronomers first realized that the stars in the sky were like our Sun, only more distant, they wondered if…
Observatory Finds Its First Planet
The McDonald Observatory's Hobby-Eberly Telescope has found its first extrasolar planet. The planet is 2.84 times of the mass of…
Asteroids Make Tau Ceti Lethal
Astronomers have found that a nearby star, Tau Ceti, is surrounded by 10 times as many asteroids and comets as…