Easy escape for Martian meteorites
Smaller impacts than previously imagined can eject meteorites into interplanetary space
Poles hint at past climate on Mars
New evidence is set to reveal the history of our nearest neighbour
Earth’s expanding girth
Our planet has become even less spherical since 1998
Read article: Earth’s expanding girth
Earthshine sheds light on extrasolar planets
Reflected sunlight could help astronomers interpret the spectra of distant planets
Diamond-free space dust puzzles astronomers
Primitive meteorites cast doubt on theories of the early solar system
Odyssey finds evidence for ice on Mars
Gamma-ray and neutron studies reveal layers of hydrogen-rich soil
Jupiter clocks up eleven new moons
The gas giant now has more known satellites than any other planet
Read article: Jupiter clocks up eleven new moons
Earth’s magnetic field linked to changing orbit
Long-term variations in Earth’s magnetic field could arise from the eccentricity of our planet’s orbit
Read article: Earth’s magnetic field linked to changing orbit
New clue for planet hunters
Discs of dust around distant stars could reveal more extrasolar planets
Read article: New clue for planet hunters
Spacecraft join forces at Jupiter
Cassini-Huygens and Galileo probe the magnetic make-up of the giant planet
