Cosmological data suggest unexpected masses for neutrinos, including the possibility of zero or negative mass.

A recent atomic physics workshop was outside my dark matter comfort zone, but learning about science beyond my usual ...

For the past few years, a series of controversies have rocked the well-established field of cosmology. In a nutshell, the ...

"What got you into astrophysics?" It's a question I'm often asked at outreach events, and I answer by pointing to my early ...

His pioneering research is primarily cantered on theoretical physics, with a particular focus on general relativity and quantum mechanics.