You can probably imagine an early universe without planets or stars — but what did the universe look like before time existed? This fall, you could find out by taking a free class led by prominent ...

If you’re one of the millions of Americans who looked at the eclipse this week and wondered what other cool things you might be able see in the sky, this guide is for you. Whether you want to spy on ...

How can we use light to learn about the universe? How can we measure the properties of planets, stars, and galaxies? How can we explore our cosmic origins and the history of the universe? This course ...

U Arizona Expands to Coursera from Udemy with Astronomy Course By Dian Schaffhauser 02/09/15 A professor with a popular Udemy -hosted MOOC is trying out his astronomy course on Coursera next, with the ...

An interest in astronomy may strike early in life or later. Regardless of what lit the fire of that interest, you need knowledge to help you understand the universe. Some of the most important sources ...

Phil gives the course a send off with a look at some of his favorite topics. Here it is, folks: the end. In our final episode of Crash Course Astronomy, Phil gives the course a send off with a look at ...

Mercury is the closest planet to the sun. Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice ...

A new course at the University of Toronto offers students the opportunity to learn about astronomy through the lens of Indigenous knowledges – particularly those of Indigenous Peoples from Turtle ...

One of my favorite topics in astronomy is exoplanets: planets orbiting other stars. Astronomers have been looking for them for decades, and there were lots of false alarms, but no true planets found … ...

The article recounts the author's personal journey into astronomy, highlighting several influential beginner astronomy guidebooks from various eras, including "Stars: A Guide to the Constellations," ...

Forty-eight episodes, more than eight hours of content, 100,000 words, a year and a half of work, topics ranging from quantum fluctuations to the death of the Universe, and 12 million views … finally, ...