A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...

Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

Perseverance rover found a rock on Mars named Phippsaksla with so much iron and nickel that it could be a meteorite.

Whether they're tickling your nose, hugging your eyelashes or melting on your tongue, few winter wonders are as fascinating ...