In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...

Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may ...

XRISM observations of Cassiopeia A reveal abundant chlorine and potassium, showing supernovae can forge these life-linked ...

The results indicate that the elements essential for life formed within extreme, highly energetic environments deep inside ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Columbia Professor Brian Metzger helped other astronomers interpret their observations of the unexpected stellar event.

Every breath of air, every strand of DNA and every cell in my body carries a chemical story that began long before Earth existed, in the violent death of ancient stars. The key elements that make life ...

XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of ...

Alexey A Petrov receives funding from the US Department of Energy. Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may be ...

JWST uncovers evidence of ancient “monster stars” whose extreme chemistry may explain the origins of early supermassive black ...