Astrophysics News
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When a Time magazine reader asked astrophysicist Neil deGrasse Tyson to share "the most astounding fact about the Universe," he answered in a video. The vividly illustrated presentation has gone viral, receiving hundreds of thousands of hits.
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The European Space Agency announced its fifth Automated Transfer Vehicle has been named Georges Lemaître, after the Belgian scientist who provided the first observational estimation of the Hubble constant, which was later called the Big Bang theory.
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British theoretical physicist Stephen Hawking is warning that if humans are unable to locate another suitable planet to inhabit, they will face extinction.
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Blue stragglers are stars that renew in old age and glow on, instead of dwindling and dying. Two University of Wisconsin-Madison astronomers report that they have figured out how.
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A dying star named Chi Cygni, about 550 light-years away, is flashing close-up, infrared glimpses of what our sun's future death throes will look like to observers at a safe distance.
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Dark matter is defined by NASA as “Name given to the amount of mass whose existence is deduced from the analysis of galaxy rotation curves but which until now, has escaped all detections.” That’s about as accurate as its definitions get.
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A five-year mission to hunt for the first supernovae, or exploding stars, in the universe is to be led by a professor of astrophysics at Queen's University Belfast.
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David A. Aguilar (CfA)
New research shows that some old stars known as white dwarfs might be held up by their rapid spins, and when they slow down, they explode as Type Ia supernovae. Thousands of these "time bombs" could be scattered throughout our Galaxy. In this artist's conception, a supernova explosion is about to obliterate an orbiting Saturn-like planet.
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