Boiling water on Mars could make the planet’s sand levitate
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
A 300-kilometre space rock has vanished since we saw it in 1995
Don’t feel so bad for losing your keys. Astronomers somehow lost a huge space rock first seen 22 years ago – and it’s far from the first cosmic object to go missing
A gaggle of 7 moons keep Saturn’s rings from breaking apart
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
Brown dwarfs have strong magnetic fields just like real stars
Failed stars called brown dwarfs straddle the line between big planets and small stars. An observation of a magnetic field puts another tick in the star column
Final pictures from Cassini as probe smashes into Saturn
Say goodbye to humanity’s outpost at Saturn with a look at Cassini’s final images before it was swallowed by Saturn’s atmosphere
Slingshot around Titan is the beginning of the end for Cassini
The Cassini spacecraft is passing by Titan on its final nosedive into Saturn. Plenty has been revealed about Saturn’s largest moon on Cassini’s 20-year mission
Some TRAPPIST-1 planets may have the right conditions for water
Water on the planets nearest the TRAPPIST-1 star would be destroyed by UV radiation but it could survive on the cooler worlds in the habitable zone
Enormous exoplanet has an atmosphere hot enough to boil iron
A planet nearly double the size of Jupiter and 900 light years away has a glowing stratosphere and an atmosphere hot enough that iron there exists as a vapour