Planetary Science
- Planetary Science
For the first time, an asteroid has been found nearer to the sun than Venus
A space rock dubbed 2020 AV2, found in close orbit around the sun, probably got there after a series of close encounters with rocky planets.
- Space
The sterile moon may still hold hints of how life began on Earth
50 years ago, scientists found no signs of life on the moon. Today, lunar mission regulations may be relaxed in light of that fact.
- Space
This ancient stardust is the oldest ever to be examined in a lab
Tiny grains of stardust that formed long before our solar system are giving new insight into star formation in the Milky Way.
- Space
How 2019’s space missions explored distant worlds
Planets and asteroids and Arrokoth, oh my. Space probes had a busy year.
- Space
China stuck its moon landing this year. Others weren’t as lucky
Fifty years after Apollo 11 landed on the moon, Earth’s sidekick is getting renewed attention from space agencies around the world.
- Space
NASA’s OSIRIS-REx must avoid ‘Mount Doom’ to return a sample of the asteroid Bennu
The OSIRIS-REx spacecraft finally has a target spot for sample collection, called Nightingale, on the asteroid Bennu.
- Space
NASA’s MAVEN probe shows how wind circulates in Mars’ upper atmosphere
By using the MAVEN spacecraft to track winds in the Martian thermosphere, researchers hope to better understand how the atmosphere leaks into space.
- Space
NASA’s Parker probe has spotted the Geminid meteor showers’ source
For the first time, we’ve spotted the trail of space debris responsible for the Geminid meteor shower.
- Space
NASA’s Parker probe reveals the sun’s rogue plasma waves and magnetic islands
Scientists have analyzed the Parker probe’s first data, giving a peek at what’s to come as the craft moves closer to the sun over the next few years.
- Planetary Science
Ribose, a sugar needed for life, has been detected in meteorites
Samples of rocks that fell to Earth contain a key molecular ingredient of RNA, part of life’s genetic machinery.
- Space
NASA gave Ultima Thule a new official name
The distant world briefly visited by New Horizons is now called Arrokoth, a Powhatan word that means “sky.”
- Space
Voyager 2 reveals the dynamic, complex nature of the solar system’s edge
With two spacecraft outside the sun’s magnetic bubble, researchers get a new look at the boundary between the sun and its galactic environment.
