halogen chemical elements

Halogens: Discovery and Properties

July 5, 2022

Diatomic halogens are often known as salt-forming elements. With halogens seeking an extra electron, they form numerous compounds, some of which are beneficial for human health while others pose a threat. […]

A neutron star in the small Magellanic Cloud

The Different Types of Supernovae

June 30, 2022

Astronomers classify supernovae according to the presence of hydrogen in their spectra. Therefore, these are classified into Type l and Type II categories. […]

An image of the periodic table showing noble gases.

Noble Gases: The Non-reactive Elements

June 21, 2022

Neon can stand in for helium as a cryogen, and xenon has revolutionized flash photography, and even served as a medical anesthetic. The discovery of radon ultimately led to the important acceptance of the notion that elements can transmute through radioactive decay. […]

An image of Argon symbol.

Argon: The ‘Lazy’ Noble Gas

June 20, 2022

Once discovered, the inertness and remarkably weak intermolecular forces of noble gases have lent them to a number of important uses in an array of technologies. […]

US Stamp featuring Palomar Mountain Observatory

Making Astronomy a Fairer and More Equitable Field

June 16, 2022

Efforts have been made by astronomers to remove gender-based barriers for today and tomorrow’s scientists. Margaret Burbidge led the way, and Decadal Surveys now include topics for how to support the astronomy community. […]

Observatory with stars in background captured in timelapse mode.

Margaret Burbidge: Breaking Barriers in Astrophysics

June 12, 2022

Margaret Burbidge’s enthusiasm for astronomy led her to applying for a postdoctoral research position at Mount Wilson. However, she was turned down as women were barred from staying on the mountain and working as lead observers. […]

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