A NASA rover that launched from Florida detected electrical sparks igniting within small dusty tornadoes whirling on Mars' surface.

On a cold, thin-aired world where sound barely carries, a NASA rover has picked up something that should not be possible: the crackle of lightning on Mars. Instead of the deep, rolling thunder ...

When it launched the James Webb Space Telescope on Christmas Day in 2021, NASA advertised it as the most advanced that was ever made. Coincidentally, it is also the most expensive telescope ever made, ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...