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The European Space Agency has released a chart of the exact positions of many stars in the Milky Way and neighboring galaxies. But the map only shows a small fraction of what's out there.
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It captured images that show some of the key regions NASA's robot has explored since 2012.
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Astronomers are eager to learn more about the visitor as it zooms through, like how far-off planets form: "You'd love to see if it looks like stuff in our solar system."
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Last year, the Orionids were hampered by a bright moon. But this year, there's barely a sliver of moon in the sky, which should allow the remnants of Halley's Comet to shine.
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In an astonishing discovery, astronomers used gravitational waves to locate two neutron stars smashing together. The collision created 200 Earth masses of pure gold, along with other elements.
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For 40 years, the record's interstellar message to extraterrestrials remained mostly unheard by human audiences — until a Kickstarter campaign brought a new vinyl box set to the public.
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The NASA probe that has spent the past 13 years making countless discoveries about the ringed planet and its moons was taken out of orbit and sent plunging into Saturn's atmosphere.
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NASA's probe has spent the past 13 years orbiting Saturn, making a number of important discoveries along the way. On Friday, it will hurl itself into the planet's atmosphere and disintegrate.
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The Farthest: Voyager In Space, airing Wednesday on PBS, celebrates a technological and intellectual achievement rarely matched in history — one that has forever changed us, says Marcelo Gleiser.
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Retired NASA astrophysicist Fred Espenak has 'written the book' on eclipses - many, many books, actually. He has seen 27 total solar eclipses and at least…