Faced with observations of early black holes and galaxies that weren’t expected to exist, scientists have come up with a ...

The Mysterious Glow at the Center of Our Galaxy For years, scientists have marveled at the enigmatic gamma-ray glow emanating from the center of the Milky Way. This persistent radiance has puzzled ...

Astronomers have identified one of the most distant candidate galaxies known to leak ionizing radiation—the same kind of ...

IceCube neutrino source starburst galaxy: astronomers traced a 750-teraelectronvolt ghost particle to Shadow Blaster, a ...

What if some of the Universe’s oldest objects are actually older than the Big Bang itself? A new study from the University of ...

A new theory suggests the universe is constantly recording its own history in the fabric of spacetime. If correct, this cosmic memory could help solve some of the biggest puzzles in physics, from ...

A recent study suggests that the Amaterasu particle, along with other extremely energetic cosmic rays, may actually be atomic nuclei heavier than iron.

Understanding the cosmic microwave background as the universe's oldest light Posted: June 11, 2026 | Last updated: June 11, 2026 Astrophysicist Paul Sutter illuminates the origin of ancient radiation ...

Bethany mentioned this yesterday. The EPA yesterday used low-flying aircraft to collect baseline radiological readings as part of the government’s efforts to keep everyone safe during the World Cup.

Anyone who has been paying attention to cosmology over the past few years is aware of problems with our best attempts to explain why the universe is the way it is. Our standard model, Lambda-CDM (or ...

Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could resemble a donut What shape is the universe? This question is far more ...

There are various potential scenarios when digital cameras could be exposed to radiation. For instance, photographic equipment could be exposed to radiation during space flight. While technology has ...