All Stories by Emily Conover
- 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.
- 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
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.
- 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.
- Physics
Physicists explain the mesmerizing movements of raindrops on car windshields
Wind and gravity compete to make some raindrops go up while others slide down, a mathematical analysis suggests.
- Physics
Russia’s war in Ukraine raises nuclear risks, physicists warn
Experts flag the potential for accidents at seized nuclear sites as well as the increased dangers of accidental nuclear warfare.
- Astronomy
Astronomers may not have found a sign of the universe’s first stars after all
A new study of radio waves from early in the universe’s history finds no hint of the “cosmic dawn” claimed by an earlier study.
