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Sep 22, 2015 04:01 PM ET // Ian O'Neill
As stars whip around our galaxy's supermassive black hole, they should generate their own special kind of 'sonic boom' -- could astronomers detect them?
Sep 4, 2015 02:40 PM ET // Joe Rao, Skywatching Columnist
If you live in the eastern-third of the United States or southeast Canada and your local skies are clear on tonight (Sept. 4), take a good close look at the rising moon, which has a celestial date with a star this evening.
Aug 14, 2015 08:17 AM ET // Stuart Gary, ABC Science Online
The newly discovered planet called 51 Eridani B is about twice the mass of Jupiter, and orbits a star about 97 light-years from Earth.
Aug 7, 2015 07:00 AM ET // Ian O'Neill
A dying star has left behind a beautiful, if temporary, parting gift -- an expanding planetary nebula.
Aug 3, 2015 12:37 PM ET // Ian O'Neill
A new map of the Milky Way has revealed a surprising fact about the stars living in our galaxy -- nearly a third have moved far from their stellar birthplace.
Jun 5, 2015 01:54 PM ET // Ian O'Neill
Three supernovae have been found erupting alone in the depths of 'intracluster' space -- a cosmic first.
May 27, 2015 12:36 PM ET // Ian O'Neill
In this mesmerizing view of a stellar nursery by the ESO's Very Large Telescope (VLT) in Chile, a stunning celebration is underway.
May 22, 2015 01:28 PM ET // Mike Wall,
An ongoing act of cosmic cannibalism may be responsible for the strange appearance and unprecedented behavior of a gigantic star nicknamed Nasty 1.
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