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How massive can neutron stars be?
Settling a long debate, astrophysicists at Goethe University Frankfurt now say neutron stars can't exceed the mass of 2.16 suns.
January 18, 2018
Supercomputer insights on mysterious black hole jets
Scientists used the Blue Waters supercomputer to show that a black hole's relativistic jets and accretion disk both may be spinning - and precessing over time - around an axis separate from the black hole itself.
January 17, 2018
Zooming star points to black hole in globular star cluster
Globular star clusters contain our galaxy's most ancient stars. Astronomers didn't expect to find a 4-solar-mass black hole in one, but ... voila!
January 17, 2018
Our Milky Way as a “melting pot”
Where do stars we see at night come from? Newly confirmed streams of stars - thought to be coming to our Milky Way from other galaxies - suggest not all Milky Way stars were born here.
January 14, 2018
Astronomers detect whirlpool movement in earliest galaxies
Astronomers looked back to a time only 800 million years after the Big Bang and found whirlpool shapes in small, very young galaxies.
January 14, 2018
A 3D journey through the Orion Nebula
Astronomers and visualization specialists at NASA have just released this unprecedented, 3-dimensional, fly-through view of the Orion Nebula, a nearby star-forming region.
January 12, 2018
Mars life clues from methane and ‘sticks’
The Curiosity rover has made 2 new and interesting discoveries - the first about methane in Mars' air and the other about stick-rock formations - both related the possibility of life.
January 12, 2018
Sun in zodiac constellations, 2018
Sun entry dates into zodiac constellations, using boundaries for constellations set by the International Astronomical Union in the 1930s.
January 12, 2018
Fast radio bursts: A mystery unfolds
Repeating, short, unpredictable radio bursts left astronomers perplexed. Now they think the bursts were twisted by the extreme environment around a supernova or supermassive black hole.
January 10, 2018
New year’s comets
Will 2018 give us a bright comet? There are a couple of possibilities. In the meantime, here are some photos of comets, visible through telescopes, as 2018 begins.
January 9, 2018
