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

How Many Stars, Planets and Black Holes Are in Our Galaxy?

And could alien life be out there among them?

March 4, 2017

Physicists Have Uncovered a Remarkable Fact About Black Holes

Physics is flickering.

March 3, 2017
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