Featured in planets

Saturn has a slushy core and rings that wiggle
It’s a cosmic miracle that life on Earth’s lasted this long
A guide to the solar system’s biggest secrets
Use Google Earth and Street View to explore the planet from your couch
Ancient valleys may hold clues to past life on Mars
Frigid Pluto may have had a toasty start
This ominous image shows the birth of a planet
A new ’Oumuamua theory could mean many more interstellar visitors are headed our way
Mars might be made of mashed-up baby planets
The New Horizons spacecraft just revealed secrets of the most distant object we’ve ever visited