Watch: Explore Astronomy’s Biggest Mysteries

The universe, at its core, yields more questions than answers.

June 10, 2017

What are the Zodiac Constellations?

And are they relevant in modern astronomy?

June 8, 2017

Research Indicates That Most Habitable Planets Might Be “Water Worlds”

Earth's land/water balance might be a rarity in the Universe.

April 27, 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

Scientists Have Imaged a Gas Giant That’s the First of Its Kind

This exoplanet is truly alien.

April 18, 2017

Dead Galaxies Are Helping Us Understand One of the Universe’s Greatest Mysteries

They’re 300 million light-years away, but could have big implications here on Earth.

April 11, 2017

NASA Recorded a Massive Explosion Unlike Anything It’s Ever Seen Before

It produced more energy than all of the stars in its galaxy combined.

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

These Images Put the Size of the Universe Into Perspective

Space will make you feel really, really small.

April 2, 2017
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