Exploding Stars Make Key Ingredient in Sand, Glass

A new study shows that silica - one of the most common substances on Earth - is formed when...

The Most Luminous Galaxy Is Eating Its Neighbors

The most luminous galaxy ever discovered is cannibalizing not one, not two, but at least three smaller galaxies, which...

More Smoke From the Camp Fire

Several days after the Camp Fire began, smoke continued to spread widely across northern California.

NASA Learns More About Interstellar Visitor ‘Oumuamua

NASA's Spitzer Space Telescope has helped scientists get a better idea of the size of 'Oumuamua - the first...

Cosmic Detective Work: Why We Care About Space Rocks

Small worlds witnessed dramatic changes in our solar system that occurred long before humans. Here's how we're studying them.

The Mars InSight Landing Site Is Just Plain Perfect

If the InSight landing zone were ice cream, it would be vanilla.

Looking Into the Eye of Yutu

For the CloudSat science team, getting a view inside the eye of a typhoon is not something that happens...

NASA’s Dawn Mission to Asteroid Belt Comes to End

NASA declares Dawn's historic mission over after spacecraft depletes its hydrazine fuel and stops communicating with the Deep Space...

Five Things to Know About InSight’s Mars Landing

NASA engineers will be holding their breath when their spacecraft heads into Mars' atmosphere on Nov. 26.

It’s Valley Fog Season

It’s autumn in the Northern Hemisphere, which means many people living in mountainous areas are awakening to fog-filled valleys.