Physics
- Physics
A galactic smashup might explain galaxies without dark matter
Scientists are debating whether a trail of galaxies reveals the origins of two weird dark matter–free galaxies.
- Particle Physics
High-energy neutrinos may come from black holes ripping apart stars
Where extremely energetic neutrinos originate from is a mystery. A new study supports the idea that “tidal disruption events” are one source.
- Physics
Experiments hint at why bird nests are so sturdy
A bird’s nest is a special version of a granular material. Lab experiments and computer simulations explain its quirky behavior.
- Astronomy
We finally have an image of the black hole at the heart of the Milky Way
Observations from the Event Horizon Telescope reveal the turbulent region around our home galaxy’s black hole, Sagittarius A*, in new detail.
- Tech
This camera lens can focus up close and far away at the same time
Inspired by the eye of an extinct trilobite species, the large depth of field can help with imaging techniques to create 3-D photos.
- Physics
Gravitational waves gave a new black hole a high-speed ‘kick’
Ripples in spacetime revealed that two black holes united into one, which then sped off at around 5 million kilometers per hour.
- Particle Physics
The Large Hadron Collider has restarted with upgraded proton-smashing potential
Physicists will start taking data this summer once the revamped Large Hadron Collider gets up to full speed.
- Particle Physics
Muons spill secrets about Earth’s hidden structures
Tracking travel patterns of subatomic particles called muons helps reveal the inner worlds of pyramids, volcanoes and more.
- Particle Physics
A new nuclear imaging prototype detects tumors’ faint glow
Nuclear imaging that relies on Cerenkov light could supplement standard-of-care technology for identifying location of tumors.
- Particle Physics
The W boson might be extra hefty. If so, it could hint at new physics
A new measurement of the W boson’s mass, made by smashing particles together, reveals a potential crack in physics’ standard model.
- Science & Society
Here are the Top 10 times scientific imagination failed
Some scientists of the past couldn’t imagine that atoms or gravity waves could one day be studied – or nuclear energy harnessed.
- Physics
Levitating plastic beads mimic the physics of spinning asteroids
"Tabletop asteroids," buoyed by sound waves, hint at why some loosely bound space rocks have odd shapes and can’t spin too quickly.
