Black holes spew out powerful jets that span millions of light-years. We're trying to understand their whole life cycle
There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called ...
Violent supernovae 'triggered at least two Earth extinctions,' study suggests
At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...
Space on MSN13d
NASA supercomputer finds billions of comets mimicking the Milky Way's shape: 'The universe seems to like spirals!'
"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
Fast-moving stars reveal supermassive black hole inside nearby galaxy
The Large Magellanic Cloud is a dwarf galaxy residing near our Milky Way, visible to the naked eye as a luminous patch of ...
EurekAlert!2d
A new puzzling observation by James Webb Space Telescope: Galaxies in the deep universe rotate in the same direction
Lior Shamir, a computer scientist in the Carl R. Ice College of Engineering at Kansas State University, published a study of ...
NASA SPHEREx telescope is launched to study universe's origins
A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...
ExplorersWeb on MSN3d
Space Mystery of the Week: Why Does Our Solar System Like Spirals?
Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.
Space.com14d
NASA supercomputer finds billions of comets mimicking the Milky Way's shape: 'The universe seems to like spirals!'
(The measurement "au" stands for "astronomical unit," and one au is equal to the distance between Earth ... spiral that forms the structure of the Milky Way, Dones and colleagues found that ...
Salon27d
One large Milky Way galaxy or many galaxies?
He calculated M31’s distance as a prodigious 900,000 light ... His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae.
NASA launches 'incredible' new tools into space to study the universe, sun's corona
SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the ...
Look for the winter Milky Way and zodiacal light in March
In March the bright winter constellations of Canis Major, Canis Minor, Orion, Gemini, Taurus and Auriga fill the southern sky stretching all the way to zenith — the point directly overhead. Directly ...