Physics

Boston Could Become WICKED Hot. This is What They’re Doing About it.

Over the past year, the people of Boston have banded together to address extreme temperatures in their city.

Scientists Find Even More Galaxies in the Universe Without Any Dark Matter

The new research may have dramatic implications for theories about both dark matter and galaxy formation.

Astronomers Just Mapped a Pulsar's Surface for the First Time

NASA’s NICER instrument reveals that neutron stars are not as simple as we thought.

Colliding molecules and antiparticles

A new study shows a model of the interaction between positrons and simple molecules that is in good agreement with experimental results.

Colliding molecules and antiparticles

Antiparticles—subatomic particles that have exactly opposite properties to those that make up everyday matter—may seem like a concept out of science fiction, but they are real, and the study of matter-antimatter interactions has important medical and technological applications. Marcos Barp and Felipe Arretche from the Universidade Federal de Santa Catarina, Brazil have modelled the interaction between simple molecules and antiparticles known as positrons and found that this model agreed well with experimental observations.

Discover's Science Images of the Year 2019

The first-ever image of a black hole, face-to-face with an ancient ancestor and more.

NASA Probe Spots Source of the Geminid Meteor Shower

Astronomers have long suspected debris from the asteroid Phaethon causes the annual meteor shower. Now, NASA’s Parker Solar Probe has captured the stream of space debris where the shower originates.

Scientists 'tune in' to proton spin precession

Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a non-invasive way to measure the "spin tune" of polarized protons at the Relativistic Heavy Ion Collider (RHIC)—an important factor for maintaining these spinning particles' alignment.

Slippery when wet: How does lubrication work?

In a recent paper in Science Advances, researchers from the University of Amsterdam present new experimental insight into how lubrication works. They have developed a new method using fluorescent molecules to directly observe nanometric lubrication films with a sensitivity of a single molecular layer. Their quantitative description of the relation between topography, contact pressure and lubrication provides a deeper understanding of lubrication.

Giant New Cyclone Discovered at Jupiter's South Pole

NASA's Juno spacecraft picked out a hexagon of storms hidden beneath the top layer of Jupiter's clouds.

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