THIS atlas comprises the results of an investigation of the spark, arc, and flame spectra of most of the chemical elements. Twenty-eight charts are given showing heliographic reproductions of ...

Discover how spectroscopic measurements revolutionized the study of astronomical temperatures, from identifying elements to analyzing distant heavenly bodies.

A distant supernova exposed elements from a star’s core. The result reshapes ideas of how massive stars evolve. According to long-standing theory, stars are built in layers like onions, with each ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early universe, less than 1 billion years after ...

Scientists get peacock feathers to emit laser light after adding dye and green pulses, revealing surprising biophotonic ...

Astronomers uncovered seven dust-shrouded quasars from Cosmic Dawn, doubling the known tally of early supermassive black holes.

The first-ever detection of gravitational waves was made 10 years ago today (Sept. 14). In celebration, Space.com takes you ...

A stretchable, self-healing gel visibly changes color when pulled or heated, combining strength and built-in sensing in a single material designed for wearable devices and soft robotics.

Decades of research on cold fusion, from initial promise to recent modest results, offer insights into nuclear reactions and ...

Nine researchers from ETH Zurich have just been awarded Starting Grants from the European Research Council (ERC). This is a positive signal for Zurich ...

What does the universe do when it violates its own rules? Last July, astronomers saw a gamma ray event so bizarre that they ...