NASA set out to stop a dangerous asteroid — but the mission ended up creating a brand-new problem no one expected. In this video, we’ll break down what went wrong, why the impact didn’t behave the way ...

Sometimes here on Earth, we take for […] ...

Sen captured footage from space on Saturday showing the world’s largest impact craters. The satellite video offered a ...

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, was recently discovered lurking beneath Venus.

NASA said Tuesday the Hubble Space Telescope has revealed a dramatic interplay of light and shadow in what’s called the Egg ...

At the center of the Egg Nebula is its yolk: a deteriorating sun-like star.

For much of North America, the last month has been an icy, frozen trudge. But from the right vantage point, it had a certain ...