Hubble sees Comet Halley’s big brother being shredded by white dwarf

For the first time, a massive, comet-like object that has been seen being ripped apart and scattered in the atmosphere of a ‘dead star’

Spacecraft discovers canyons flooded with liquid methane on Titan

NASA’s Cassini has found deep, steep-sided ravines on Saturn’s moon, filled with organic materials

Enceladus shines in closest-ever views

NASA’s Cassini spacecraft has begun transmitting its latest images of Saturn’s icy, geologically active moon

Did we come from a comet?

Did we begin as organisms on a ball of ice and rock?

Why hasn’t gravity rounded off Miranda’s jagged surface?

Gravity gives celestial bodies their rounded shape, so why does Miranda look so rough?

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