A supernova is an incredibly energetic stellar explosion. The name arises from the brightness of these blasts, which makes it look like a “new” star has appeared in the heavens. After astronomer Tycho ...

This puzzle starts the same way our universe did, with the Big Bang. One hundred years ago, in November 1915, Albert Einstein published his general theory of relativity. It created the basis for our ...

“Even today, the most jaded city dweller can be unexpectedly moved upon encountering a clear night sky studded with thousands of twinkling stars,” he wrote in his book “Pale Blue Dot: A Vision of the ...

Planetary Society and California State University Dominguez Hills Team Up on Distance Learning Beginning Monday, February 7, a 13-week astronomy and planetary science course sponsored by The Planetary ...

I want to start this course with a brief review of the history of gravitational astronomy, starting from the Eta Carinae supernova of 2009. You will be in mid-career when the shock front hits, and a ...

Our solar system has been out there for 4.6 billion years, but it seems more people than ever are becoming seduced by its beauty and mystery. Predictable celestial events such as lunar eclipses, ...

When you look at stars closely, you will see a variety of brilliance and color. Stars can be blue, white, yellow, orange and red. Star color is an indication of its temperature – blue being the ...

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Before astronomy students at Columbia University can learn about about the sun, moon, and stars, they’ll have to take a refresher on … the “genocide” at Gaza? That’s the message from an undergraduate ...