Cosmology
- Astronomy
86 stars get official names
The International Astronomical Union has released 86 newly official star names, based, in part, on historical star names from various indigenous cultures.
- Astronomy
The most distant quasar ever spotted hails from the universe’s infancy
The new record-holder for faraway quasars comes from a period of rapid change in the universe.
- Cosmology
Simulating the universe using Einstein’s theory of gravity may solve cosmic puzzles
Better simulating the dense parts of the universe could improve scientists’ view of how the universe evolves.
- Cosmology
What detecting gravitational waves means for the expansion of the universe
The latest LIGO signal proves that gravitational waves travel at the speed of light, ruling out a swath of cosmological theories in the process.
- Astronomy
How to make the cosmic web give up the matter it’s hiding
Half the ordinary matter in the universe is unaccounted for. Astronomers may now have a new way to see it spanning the space between galaxies.
- Cosmology
Map reveals the invisible universe of dark matter
The Dark Energy Survey reports a new tally of the dark universe.
- Astronomy
The most distant star ever spotted is 9 billion light-years away
A bright blue star sends its light from two-thirds of the way across the universe, thanks to a chance alignment with a galaxy cluster.
- Astronomy
Astronomers get glimpse of star 9 billion light-years away
A bright blue star sends its light from two-thirds of the way across the universe, thanks to a chance alignment with a galaxy cluster.
- Astronomy
Satellite trio will hunt gravitational waves from space
The European Space Agency has green-lighted the Laser Interferometer Space Antenna, expected to launch in 2034.
- Cosmology
Milky Way’s loner status is upheld
Galaxy surveys show the Milky Way lives in a vast cosmic void, which could help ease tensions between ways of measuring how fast the universe is expanding.
- Science & Society
Einstein’s latest anniversary marks the birth of modern cosmology
A century ago, Einstein gave birth to modern cosmology by using his general theory of relativity to describe the universe.
- Astronomy
Distant galaxies lack dark matter, study suggests
Slower-than-expected velocities of stars in distant galaxies, if confirmed, could reshape astronomers’ ideas of galaxy formation and evolution.
