Paul Sutter

🌐 space.comSource

The familiar concept of a planetary core, a small, dense metallic heart we take for granted, may be the exception rather than the rule for exoplanets.

🌐 space.comSource

The universe may have its own version of Heisenberg's uncertainty principle, according to a new theory.

🌐 universetoday.comSource

From Universe Today: What Happens When Light Goes Boom? Part 4: What Brad Bradington Is Good For

🌐 universetoday.comSource

From Universe Today: What Happens When Light Goes Boom? Part 3: Brad Bradington Sprints

🌐 universetoday.comSource

Before Brad Bradington can sprint down the red carpet, we need to understand the crowd. Specifically, we need to understand why a crowd of atoms and molecules slows down light — and why that creates a loophole that changes everything.

🌐 universetoday.comSource

Neutrinos have mass — yet they never flip between left- and right-handed states the way every other massive particle does. The most logical fix is Paul Dirac's: invisible right-handed neutrinos that interact with nothing whatsoever. The math works. It even produces a beautiful ex

🌐 universetoday.comSource

In 1937, Ettore Majorana asked a question nobody else was even thinking about: does a particle have to have a distinct antiparticle? For neutrinos — which carry no charge — the answer might be no. They might be their own antiparticles. Deep underground right now, experiments are

🌐 universetoday.comSource

In 1934, a Soviet physicist named Pavel Cherenkov shone gamma rays into a bottle of water and noticed a faint blue glow. So had others before him. They all shrugged and moved on. Cherenkov didn't. What he found — by refusing to dismiss something he didn't understand — turned into