The southern autumn night sky is often referred to as the “wet quarter” because that’s where we find such constellations as Aquarius the Water-bearer; Pisces the Fish; and, most notorious of all, ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is what a recent study accepted for publication in The Astronomical Journal ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at The Conversation. The publication contributed the ...

Proceedings of the American Philosophical Society, Vol. 86, No. 3, Papers on Astronomy, Botany, Geology, Paleontology, and Zoology (Jul. 8, 1943), pp. 329-338 (10 pages) The variable stars occupy an ...

Humans are natural explorers. Once we were clothed, fed, and found shelter, we started wondering, “How does nature work? What’s around us? How did we come to be? What is our place in the universe?” To ...

Astronomers using the Swiss 1.2-metre Euler telescope at ESO’s La Silla Observatory in Chile have found a new type of variable star. The discovery was based on the detection of very tiny changes in ...

For the past 10 years, under the guiding hand of Editor-in-Chief Professor John Percy (University of Toronto), the Journal of the American Association of Variable Star Observers (JAAVSO) has ...

A previously unknown kind of variable star is on brilliant display 7,000 light-years from Earth in a new photo taken by a telescope in the Southern Hemisphere. For years scientists have known that the ...

Yardsticks are very useful around the house when you need a measurement. (I have also used them to fish out toys the cat knocked under a low piece of furniture.) They are standards by which we can ...