Melting moons could support liveable atmospheres for aeons
If a migrating exoplanet dragged a Europa-like moon closer to its host star, the moon’s icy shell could melt into liquid oceans and breathable air
NASA and ESA join forces to build life-seeking Europa lander
The space agencies just announced a bold plan to search for aliens on Jupiter’s icy moon through a joint American-European mission
Icy Enceladus’s tiger stripes are a window on its watery depths
The moon of Saturn is best known for its watery plumes, which make it a good place to seek life – and the cracks that release the plumes may tell us more
Saturn’s flying saucer moon Atlas has a smooth fluffy edge
The Cassini spacecraft just made its final flyby of the small moon Atlas, grabbing the best pictures yet and showing a surprising softness
Mars’s atmosphere hosts metal layers that shouldn’t exist
Earth’s magnetic field provokes layers of iron and magnesium in the atmosphere, but Mars has no such field - so finding similar layers is a surprise
NASA funds radical Pluto hopper and cosmic echolocation concepts
The space agency just announced the recipients of its Innovative Advanced Concepts programme, which kickstarts researchers’ so-crazy-it-just-might-work ideas
Backwards asteroid shares an orbit with Jupiter without crashing
A rare retrograde asteroid has been spotted in Jupiter's orbital zone - and nudges from the giant planet may have kept it stable there for a million years
NASA’s new budget is big on other worlds but ignores our own
The NASA Transition and Authorization Act instructs the space agency to send humans to Mars, robots to Europa and look for life - but not to study Earth
Musk’s moon trip ‘tourists’ should be praised as pioneers
Fee-paying astronauts are pioneers in helping create a revolution in commercial space flight that will benefit us all, says Richard Garriott de Cayeux
SpaceX plans to send two civilians around the moon next year
The private space flight company has already received a deposit from two would-be space tourists who hope to fly in late 2018 – if the spacecraft is ready