Dark matter has two central properties: it has mass like regular matter, and unlike regular matter, it reacts weakly or not at all with light. Neutrinos satisfy these two criteria, but neutrinos move ...

Astrophysicist Paul Sutter explains Quantum Mechanics - the body of scientific laws that describe the wacky behavior of ...

Neutron stars pack extreme mass into tiny volumes. Scientists explore how compact they can become before collapsing into ...

Distance scales from the Planck length to a 93-billion-light-year observable universe expose extreme limits of physics and ...