Ancient meteorite upends our ideas of how Mars formed
16 June 2022
Meteorite analysis hints that early Mars got important volatile elements like hydrogen and oxygen from meteorite collisions rather than a cloud of gases
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Premium
One in every 50 planets may have been stolen from other stars
25 May 2022
Planets can be snatched from one solar system by another in the early lives of stars born in dense clusters of dust and gas
NASA should explore Uranus and Enceladus, say planetary scientists
19 April 2022
A major report on priorities for the next decade of US planetary science calls for the first dedicated Uranus probe and an orbiter-lander combo for Saturn’s ocean moon Enceladus
Neptune has been slowly cooling for 15 years when it should be warming
11 April 2022
Nearly two decades of observations have shown that Neptune's southern hemisphere has been slowly cooling down when it should be heating up, and we don’t know why
A planet-spotting extravaganza is coming, if you are an early riser
23 March 2022
Stargazing usually favours night owls, but here's a treat for early birds, says Abigail Beall, who offers a host of planets peeping over the horizon
Mars 'lake' may actually be volcanic rocks buried beneath the ice cap
24 January 2022
Radar images of Mars’s southern ice cap indicated that there could be a lake there – but a new set of simulations hints that it could be volcanic rock instead
At least 70 'rogue' planets spotted drifting in space without a star
22 December 2021
Free-floating planets are hard to spot, but astronomers have bagged a large haul by looking for candidates in a nearby star-forming region
Now is the perfect time to see dwarf planet Ceres for yourself
24 November 2021
The only dwarf planet in the inner solar system, Ceres will be at its closest to Earth for a week from the end of November. Catch it while you can, says Abigail Beall
Pluto's dark side revealed by moonlight in pictures from New Horizons
5 November 2021
After NASA’s New Horizons mission flew past Pluto in 2015, it turned around and took pictures of the dwarf planet’s back, revealing its moonlit dark side
Jupiter's Great Red Spot extends far deeper than we realised
28 October 2021
We only had a skin-deep look at Jupiter before the Juno spacecraft began orbiting the planet in 2016 and the measurements the NASA mission has taken reveal unexpected information about its deep interior
