After poring over the details of the most perfect Einstein Ring imaged to date, ALMA astronomers have discovered that this distant galaxy is a frenzy of star formation.
On Wednesday, President Barack Obama mentioned something curious in a tweet -- it was a message about the cosmos.
Powerful jets of material spewing from the edge of monster black holes may be more likely to arise where two galaxies have merged together.
An ongoing act of cosmic cannibalism may be responsible for the strange appearance and unprecedented behavior of a gigantic star nicknamed Nasty 1.
Astronomers may have solved the decades-long cosmic murder mystery of what kills most galaxies in the universe: They are strangled to death, so they can no longer create new stars.
Astronomers studying the globular star clusters orbiting the giant elliptical galaxy Centaurus A (NGC 5128) have stumbled upon a fascinating discovery -- the clusters are too massive.
The Andromeda galaxy, the nearest spiral galaxy to our Milky Way, is sporting a massive halo of hot gas spanning a million light-years into intergalactic space.
By studying ancient molecular clouds in our galaxy, astronomers have revealed that the universe's reservoir of water likely appeared much earlier than thought -- only a billion years after the Big Bang.
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