Space
- 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.
- Space
News Brief: Latest supernova is also super-brightest
The light from stellar fireworks in a galaxy far, far away has just reached Earth. It comes from a star that exploded in a massively bright flash.
- 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.
- Space
Students sent instrument to Pluto
The student-built dust counter on NASA’s New Horizons spacecraft is measuring how much grit and debris orbits out beyond Neptune.
- 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.
- Space
Teen finds exoplanet
Tom Wagg discovered exoplanet WASP-142b while doing an internship. Just 15 at the time, he is possibly the youngest person ever to find an exoplanet.
- Planets
Cosmic collision may have given birth to Pluto’s moons
Hubble Space Telescope photos reveal that the Pluto family may have formed from debris left behind after something slammed into the dwarf planet.
- Space
News Brief: Surprise — comet lander awoke!
Scientists think the lander’s instruments may have lots to share about comet 67P/Churyumov-Gerasimenko in coming days to weeks.
- Planets
Asteroids boiled young Earth’s oceans
At least two asteroids hit Earth 3.3 billion years ago. This superheated the atmosphere, boiled the oceans and shaped how early life evolved.
- Space
Collecting trash in space
Space junk threatens satellites that cost millions of dollars. But one teen has come up with an idea to collect and dispose of that orbiting trash.
- Brain
Trip to Mars could damage astronauts’ brains
Experiments in mice suggest the high-energy particles that would zap astronauts on a mission to Mars could leave the explorers with brain damage.
