Chalk is a fine-textured form of limestone. It is composed of several tiny fragments of the calcite shells or skeletons of ...

Researchers have reported new experimental results addressing the origin of rare proton-rich isotopes heavier than iron, ...

Humans have been eyeing the colorful Ring Nebula for nearly 250 years, but testing out a new telescope tool led to the ...

WASHINGTON, Jan 19 (Reuters) - The Ring Nebula, a stunning celestial structure residing in our neighborhood of the Milky Way ...

'This is something we’ve never seen in stars that are analogs of stars in the early universe,' an astronomer said.

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

Collapsing monster Simulation of a primordial monster star giving birth to a quasar – an extremely luminous active galactic ...

The road to a more sustainable planet may be partially paved with manganese. According to a new study by researchers at Yale ...

Behind the scenes of Europe’s energy transition, researchers are reinventing how hydrogen can be stored and moved. Their ...

A collaborative study between UChicago PME and Northwestern University, published in Nature Chemistry, details a novel ...

A famous night-sky object has yielded a surprise: a narrow, bar-shaped cloud made of highly ionized iron. The discovery comes ...