Boiling water on Mars could make the planet's sand levitate
26 October 2017
In Martian summer, the combination of warm temperatures and a thin atmosphere make any liquid water on the surface boil, which can let dust hover across the ground
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Premium
We may have just seen the first comet from another solar system
25 October 2017
An icy comet just hurtled past the sun on a strange path that suggests it came from outside our solar system, making it the first such interloper we've ever spotted
A gaggle of 7 moons keep Saturn’s rings from breaking apart
17 October 2017
The gravity from seven of its moons stops Saturn’s bright outer ring from spreading out and dispersing into space, according to Cassini spacecraft measurements
The sun just belched out the strongest solar flare in 12 years
6 September 2017
If your GPS has been acting funny, take it up with the sun. Our star has released the most powerful solar flare since 2005
Tethered satellites could see the moon’s weird swirls up close
9 August 2017
The moon has bright coils of dust we can’t study without getting up close. A NASA proposal would send two satellites tied together to dangle over the surface
Moon’s magnetic field lasted twice as long as we thought it did
9 August 2017
Lunar rock shows the moon’s magnetic field lasted a billion years longer than we thought, which may help us understand how planets keep their protective fields
Titan’s riverbeds show a terrain built more like Mars than Earth
18 May 2017
Saturn’s largest moon resembles Earth with its rivers and mountains, but it came by its topography very differently - and could still be active today
Watch Cassini's first two dives between Saturn and its rings
4 May 2017
New video puts those stunning first images from the Cassini spacecraft's Grand Finale into context in Saturn's cloud tops
