Dust discs discovered around two nearby stars challenge existing ideas about how planets form. Also; two supermassive black holes to crash into each other much sooner than previously thought and spectacular new images of Pluto's majestic icy mountains and frozen nitrogen streams.
A global ocean discovered under the frozen surface of Enceladus a new target in the hunt for life beyond Earth, Also; Ceres' bright spots still a mystery, and world's longest continental hotspot chain discovered under Australia.
The biggest survey of dark energy and dark matter ever undertaken about to begin in Australia. Also; a possible alien planet in our solar system, and oops the prime meridian's in the wrong place!
Glaciers on the surface of Pluto could explain the mysterious frozen world's youthful skin. Also: most Earth-like planet ever found orbiting a Sun-like star, and more support for the Standard Model of particle physics.
New Horizons becomes the first spacecraft to visit Pluto. Also monster black hole grows surprisingly faster than its ancient galaxy, and physicists at CERN discover a new particle: the 'pentaquark'.
Despite a glitch earlier this week, New Horizons is on course for its historic rendezvous with Pluto. Also; mystery circles on Pluto's surface baffle scientists, and new calculations claim an earlier more violent end to the universe.
Astronomers discover a planet that looks like a comet. Also; how magnetic fields could help to form a galaxy's spectacular spiral arms, and Earth hit by two geomagnetic storms in a week.
Astronomers observe what could be some of the first stars to form after the Big Bang. Also: evidence for current volcanism on Venus, and new signs of methane from Mars.
Evidence of gravitational waves may be in our reach by the end of the year, says scientist. Also; Pluto's small moons tumble in constant chaos, and Hubble detects the first intergalactic supernovae.