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- Astronomy
Equipment failure pushes back Mars lander mission
The launch of the Mars InSight lander is suspended until at least 2018 because of a faulty seismometer.
By Andrew Grant - Planetary Science
Dawn spacecraft maps water beneath the surface of Ceres
Water ice sits just beneath the surface and within some permanently shadowed craters of the dwarf planet Ceres.
- Planetary Science
Spacecraft reveal diversity in solar system’s landscapes
The latest generation of interplanetary spacecraft have revealed diverse landscapes on planets, asteroids and comets throughout the solar system.
- Planetary Science
MAVEN mission finding clues to Mars’ climate change
Intense solar storms in the past might have stripped Mars of its water as well as much of the rest of its atmosphere.
- Planetary Science
Water has played a big role in shaping dwarf planet Ceres
Findings from the Dawn spacecraft turn up cryovolcanoes, ice patches and hydrated minerals on Ceres, supporting the idea that water helped shape the dwarf planet.
- Science & Society
Biologist Kate Rubins’ big dream takes her to the space station
Molecular biologist Kate Rubins led a 14-person virology lab before becoming an astronaut. She heads to the International Space Station on June 24.
- Planetary Science
Ancient Mars had long-lasting lakes of liquid water
New evidence gathered by NASA’s Curiosity rover suggests Gale Crater once contained a stable lake of liquid water.
- Planetary Science
Mars’ ionosphere mystery explained
A decades-old disagreement between the Viking landers and spacecraft buzzing around Mars might come down to what time of day each was investigating the Red Planet’s ionosphere.
- Planetary Science
Competing ideas abound for how Earth got its moon
The moon may have formed from one giant impact or from about 20 small ones.
- Planetary Science
‘The Martian’ is entertaining science fiction rooted in fact
With NASA’s help, filmmakers made story of astronaut stranded on Mars believable.
- Science & Society
What’s ahead for science in 2017?
Science News writers reveal what they are watching for — and hoping for — in the year ahead.
- Planetary Science
Support grows for a return to ice giants Uranus and Neptune
Thirty years ago, Voyager 2 cruised past Uranus and then on to Neptune. Now planetary scientists think it’s time to go back.