What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

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 ...

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, ...

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 ...

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 ...

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 ...

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 ...

The stars shining in the night sky might seem steady and reliable, but in truth, they are constantly changing and evolving. Out of the 100 billion or so stars that inhabit the Milky Way, a little more ...

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 ...

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 ...

This week, the variable star Mira reaches its highest point, roughly halfway up in the southern sky at around 10 p.m. local time. Although now nearly a month past maximum brightness, it should still ...