The Death of a Giant: How Do Supernovae Happen?

The outer edges of the star's core collapse inward at 70,000 meters (43.5 miles) per second.

July 1, 2017

Five of the Weirdest Stars Found in Our Galaxy

The star Vega is shaped like an egg.

June 25, 2017

What Did This Scientist Mean When He Said “We Are Made of Star Stuff?”

Everything you can conceive of has the same origin: from the cosmos.

June 17, 2017

Photons Move at the Speed of Light, so How Do They Take a Million Years to Reach the Sun’s Surface?

The physics of light is a lot stranger than you might think.

April 24, 2017

Monster Stars with the Brightness of 100 Million Suns

If you needed proof that the cosmos in phenomenally powerful.

April 4, 2017

Massive Stars Discovered with a Year That’s Just One Day Long

These stars are the hottest and most massive of their kind.

April 4, 2017

Astronomers Almost Didn’t Discover This Tatooine-Like Planet with Two Suns

They were looking at just the right place at just the right time.

April 3, 2017

Watch Stars Orbit the Milky Way’s Supermassive Black Hole

It's like a swirling dance of light.

March 28, 2017

How Do We Know Where Stars, Planets, and Black Holes Really Are in the Universe?

Here’s how astronomers determine the distance between objects in space.

March 14, 2017

How Can Scientists Possibly Know What Stars Weigh?

Measuring the universe isn't easy.

March 11, 2017
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