For practically as long as NASA's Hubble Space Telescope has circled Earth, astronomers have wanted to use it to see a comet ...

Astronomers typically describe the cosmos with numbers that are, well, astronomical. They measure distances within our galaxy in light-years, where 1 light-year equals 5.9 trillion miles (9.5 trillion ...

Earth-size planet (HD 137010 b) found orbiting a nearby star once a year, making it a promising target for finding life.

"Tigers, turtles, snow leopards -- they're not just symbols of wilderness," said Timothy Laros. "They're living indicators of the planet's health. When they vanish, they take entire ecosystems with ...

You probably know that Kansas hails from Kansas and Alabama is from Alabama, but what about the other 48 states?

Drones and cruise missiles can hide from a ground-based Patriot or THAAD radar by using the curvature of the Earth. The ...

How a journey to Antarctica brought me closer to myself.

The continued burning of fossil fuels is locking heat in Earth’s atmosphere, oceans and land — instead of allowing it to ...

A paleontologist from The University of Texas at Austin has discovered the fossilized remains of Ice Age animals that have ...

A telescope in Chile has revealed the swirling splendor of star-forming gases at the heart of our Milky Way galaxy ...

He was 86 years old and had ruled Iran since 1989. The weapon that reached him was not a stealth bomber. It was not a drone. It was a missile that had briefly left the Earth's atmosphere and came ...

This is how vulnerable an F-35 Stealth Fighter is. How exposed fuel tanks, ammunition bunkers and radar emplacements are. How ...