Almost all High-Energy Neutrinos Come From Quasars
Earth is blasted by high-energy neutrinos from the most powerful objects in the universe.
Earth is blasted by high-energy neutrinos from the most powerful objects in the universe.
A new study proposes an exotic boson star to explain the largest gravitational wave merger we’ve observed.
A new study of x-ray bursts from a local magnetar confirms the origin of a fast radio burst.
New parallax measurements of Cygnus X-1 by the VLBA find it is more distant than we thought, and therefore more massive.
Globular clusters can be home to lots of stellar-mass black holes, rather than a single intermediate mass black hole.
New research shows there is a divide between how gas planets and rocky worlds form.
If dark matter is made of sterile neutrinos, it should emit a distinct signature of x-rays.
A new study proposes that the upper mass limit for black holes could be a million times larger than we thought.
Chandrasekhar found there is an upper limit for the mass of a white dwarf, but some white dwarfs can break that limit for a time.
We don’t know much about exoplanets with long orbital periods, but we’re starting to learn.