It's an Alien Blue World—But Nothing Like Earth

Artist’s conception of exoplanet HD 189733b—a “deep blue dot” reminiscent of Earth from a distance. Image Credit: NASA / ESA / M. Kornmesser

The planets and moons in our Solar System come in a wide variety of colors, and the natural beauty can be breathtaking. Now, the true color of a much more […]

Hubble Space Telescope Reveals Evidence of Farthest Known Planet From Its Star

A gap in the protoplanetary disk of dust and gas whirling around TV Hydrae uncovered evidence of an unseen, growing planet, according to astronomers studying Hubble data. Image Credit: NASA, ESA, J. Debes (STScI), H. Jang-Condell (University of Wyoming), A. Weinberger (Carnegie Institution of Washington), A. Roberge (Goddard Space Flight Center), G. Schneider […]

Herschel Finds Star Past Its Prime Possibly Making Planets

Image Credit: ESA (Image by AOES Medialab); background: Hubble Space Telescope, NASA/ ESA/ STScI

PASADENA, Calif — A star thought to have passed the age at which it can form planets may, in fact, be creating new worlds. The disk of material surrounding the surprising star called TW Hydrae may be massive enough […]