Cosmology

Noisy measurements of gravitational waves may illuminate what links gravity to other fundamental forces.
Charles Q. Choi, Contributor
Errors in models used to interpret gravitational wave signals could misleadingly suggest deviations from relativity, a new study warns.
Ramin Skibba, Contributor
Rock core samples may carry marks made by cosmic rays up to billions of years old.
Yuen Yiu, Staff Writer
Theoretical astrophysicists predict that a glowing halo just outside the event horizon should surround all black holes.
Yuen Yiu, Staff Writer
Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground.
Ramin Skibba, Contributor
Astrophysicists devised a new theory that may explain the formation of black holes with masses exceeding 50 times that of our own sun.
Yuen Yiu, Staff Writer
The new laureates discovered the first planet orbiting a solar-type star and improved our understanding of how the universe evolved.
Yuen Yiu, Staff Writer
A new paper proposes two experiments to test if the steadiest components in physics are really kind of shifty after all.
Yuen Yiu, Staff Writer
We have now seen what we thought was unseeable, team says.
Catherine Meyers, Editor
Evidence of dark matter particles may be easier to find in ancient minerals than in the newest detectors.
Ramin Skibba, Contributor
Researchers calculate all the photons ever emitted by the observable universe and find an astronomical number.
Charles Q. Choi, Contributor
Theoretical physicists come up with a new way to analyze the firework of signals coming from particle collision experiments.
Yuen Yiu, Staff Writer