Galaxies

Starlight accounts for anomalous electron signals.

In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen Hopkin reports

NASA hopes that Kepler will eventually turn up habitable, Earth-like worlds

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NASA's latest space surveyor should be able to peer at distant galaxies and uncover dim objects right in our own celestial backyard

The Hubble Space Telescope has taken advantage of its beefed-up hardware to peer deep into the universe, spotting galaxies that existed just 600 million years or so after the big bang.

A study in the journal Astronomy & Astrophysics finds that a distant quasar, powered by a black hole, is building a galaxy that will eventually surround the black hole. Cynthia Graber reports

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By adapting a global network of telescopes, astronomers will soon get their first look ever at the dark silhouette of a black hole

So-called tramp stars, flung from their galaxies in past gravitational interactions, could exist in great numbers outside the Milky Way Galaxy