Mysterious Dark Energy Has Existed For Most of Time, Scientists Say
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An examination of distant stellar explosions shows that the mysterious force, which many think is causing the universe to expand, dates back at least 9 billion years.
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Astronomers have found ancient galaxies that appear to be the building blocks of our own Milky Way.
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Turns out, we need grand theories to make sense of grand events, or the world just seems too random
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A supernova spotted by the Danish astronomer Tycho Brahe more than four centuries ago that changed the course of human knowledge has just yielded a further discovery - the apparent discovery of the companion star that triggered the great event.
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The evolution of the universe may have been much slower than previously thought, British scientists have revealed. A team of scientists lead by Dr.
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Some black holes may not be black at all, but "naked singularities."
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By Cheryl Winkelman, STAFF WRITER We are not alone in the universe if the numerous sightings of unidentified flying objects are to be believed.
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Astronomers use the Hubble telescope to reveal the effects of unseen dark matter as it tugs on galaxies in a crowded supercluster.
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Hollow spheres found in a primordial meteorite could yield clues to the origin of life on Earth.
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Evidence is found to tie the structure of the Universe to ripples in the density of matter at the dawn of time.
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US astronomers have discovered massive new galaxies evolving in our corner of the universe. This means that galaxy-forming processes thought to have ended eons ago continue relatively nearby
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The U.S. space agency has created a new office to study more closely cosmic phenomena such as dark energy and black holes.
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The European Space Agency&#39;s probe, Mars Express, may have found new evidence that points to the possibility of present life on Mars.
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Two monster cosmic clouds could hold the solution to the mystery of the missing matter -- immense amounts of celestial stuff that somehow has eluded detection.
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Science speeds along so fast that it can be hard sometimes to know exactly    what's known. So now and then its helpful to pause and ponder the state of things.
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Recent research is providing new insight into experiences more often left to paranormal explanations.
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An international team of astronomers believe they have solved a mystery that has been perplexing scientists for 100 years -- the origin of cosmic rays.