Planets
- Planets
Weird Pluto gives up its secrets
The New Horizon spacecraft spent almost a decade getting to Pluto. Its first few months of data reveal this dwarf planet is far stranger than scientists had imagined.
- Planets
Cool Jobs: Exploring the solar system
Meet three scientists who explore the solar system. Their jobs range from steering a spacecraft to chasing solar eclipses around the world.
- Chemistry
Picture This: Evidence of liquid water on Mars
Mars hosts surface salt deposits. They appear to come from seasonal water flows on the Red Planet, a new study concludes.
- Planets
Like Tatooine in ‘Star Wars,’ this planet has two suns
Scientists have found the tenth planet with two suns. Such planets might be more common than single-sun planets, like our own, a new survey suggests.
- Planets
Scientists Say: Exoplanet
Eight planets orbit our sun. We give a slightly different name to the millions of similar bodies orbiting other stars.
- Planets
News Brief: Venus may have active volcanoes
The Venus Express spacecraft detected flashes of infrared light that may be from hot lava erupting from active volcanoes.
- Planets
Pluto hosts ice mountains, data suggest
Geologic activity appears to have been reshaping Pluto, erasing craters and more.
- Planets
Picture This: Pluto hearts us
As a little spacecraft flies by Pluto, it is snapping up high resolution images and collecting unparalleled data.
- Planets
Scientists Say: Satellite
When we think of satellites, we often think of objects we send into space from Earth. But most satellites are actually all natural.
- Planets
Hello, Pluto!
Here's a collection of our stories about your favorite dwarf planet — including those on the New Horizons flyby.
- Planets
Visiting Pluto
Pluto has long been little more than a dark spot in the sky. Now NASA’s New Horizons spacecraft is about to fly by this dwarf planet. Along the way, it will collect unprecedented data on it.
- Planets
Super-earths not a place for plate tectonics
Plate tectonics build big mountain ranges on Earth. But super-Earths would be too big for such movements to occur, a study finds.
