Planetary Science
- Planetary Science
Asteroid set for Halloween flyby
Large asteroid will pass Earth just beyond the moon’s orbit on Halloween.
- Astronomy
Comet carries alcohol, sugar
Sugar and alcohol are just two of the ingredients that go into making a comet.
- Planetary Science
Five surprising discoveries about Pluto
Here are five key (though not necessarily new) findings in the paper that epitomize the surprising complexity of the Pluto system.
- 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
Ceres mountains and craters named for food
A host of agricultural spirits are immortalized on several craters and mountains on the dwarf planet Ceres.
- Planetary Science
Salt streaks sign of present-day water flows on Mars
Salt deposits on Mars hint at contemporary seasonal water flows on the Red Planet.
- Planetary Science
Salt streaks point to present-day water flows on Mars
Salt deposits on Mars hint at contemporary seasonal water flows on the Red Planet.
- Planetary Science
67P reveals recipe for a comet
Rosetta’s comet 67P probably started out as two smaller comets.
- Planetary Science
Mysterious circles appear, grow on comet
The Rosetta spacecraft caught five circular depressions quickly spreading across a region of comet 67P.
- Planetary Science
‘The Martian’ is entertaining science fiction rooted in fact
With NASA’s help, filmmakers made story of astronaut stranded on Mars believable.
- Planetary Science
Enceladus’ ocean goes global
A subsurface liquid water ocean envelops Saturn’s icy moon Enceladus.
- 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.
