Planetary science Research update Stuff of life descended from hazy skies Aerosols could have contributed to the formation and nourishment of early life on Earth
Telescopes and space missions Research update “Smust” soaks up ethane on Titan Ethane on Saturn's largest moon Titan could be bound up in dusty smog particles, or "smust". Read article: “Smust” soaks up ethane on Titan
Telescopes and space missions Opinion and reviews Learning lessons from Galileo Galileo returns to the stage Read article: Learning lessons from Galileo
Planetary science Research update Earth-like planets form in the wake of giants One third of known planetary systems could contain planets like Earth Read article: Earth-like planets form in the wake of giants
Telescopes and space missions Research update Pluto relegated to dwarf status Astronomers define ninth planet and its largest moon as double-dwarf system Read article: Pluto relegated to dwarf status
Planetary science Research update Moon’s bulge linked to early orbit Calculations suggest the Moon's unusual bulge was created early on in its history. Read article: Moon’s bulge linked to early orbit
Telescopes and space missions Research update New names for Pluto’s moons Two small satellites have officially been christened Hydra and Nix Read article: New names for Pluto’s moons
Structure and dynamics Research update Dry ice forms ultrahard glass Carbon dioxide has been found to form an amorphous solid
Telescopes and space missions Research update How Triton met Neptune New model suggests Neptune's largest moon was originally part of a binary system Read article: How Triton met Neptune
Telescopes and space missions Research update Titan in pictures New movies show Huygens' dramatic descent onto Titan Read article: Titan in pictures
Physics World podcast Explore our two regular podcast series, Physics World Weekly and Physics World Stories