New Horizons on target for first Pluto encounter
New Horizons now on its final approach to Pluto. Also: New limits set on the quantum nature of space and time, and the Large Hadron Collider sets a new collision energy record.
Supernovae origins: both theories are right!
Astronomers confirm thermonuclear supernovae can be caused by one or two white dwarfs. Also: discovery of the brightest galaxy ever seen, and alien stars found in our galaxy.
Philae! Phone home!
Scientists still waiting for Rosetta's comet lander Philae to phone home. Also; a new explanation for the dominance of matter over antimatter, and CERN physicists confirm the neutral B meson sub atomic particle exists.
Mystery fog may be the screams of zombie stars
A mysterious high energy X-ray fog could point to a vast stellar graveyard. Also; new images of Pluto indicate a possible polar ice cap, and the strange exo-world that challenges theories about how planets are made.
Messenger set to crash onto Mercury
Messenger's historic mission to the planet Mercury about to end. Also: New clues about the very first stars to shine in the Universe, and a massive magma chamber discovered deep under the Yellowstone supervolcano.
Hubble celebrates 25 years of science
How the Hubble Space Telescope has expanded our view of the Universe. Also: mystery of largest structure ever identified by humanity solved, and meteorites pinpoint the exact age of Earth and the Moon.
Ghostly dark matter rewrites the rules
New studies show dark matter doesn't seem to interact with anything, not even itself. Also; NASA's plan to pluck a boulder off an asteroid and put it in orbit around the Moon, and nitrogen discovered on Mars.
Largest asteroid impact zone found in Australia
One of the largest asteroid impact zones on Earth discovered in outback Australia. Also; how Jupiter could be responsible for the formation of planet Earth, and sky watchers given a triple treat with a spectacular supermoon equinox eclipse.
Hot springs on Saturn moon
Evidence of hot springs discovered on the Saturnian moon Enceladus. Also; the Milky Way at least 50 per cent bigger than previously thought, and a new population of dwarf satellite galaxies discovered orbiting the Milky Way.
CERN's supercollider enters new frontiers
The world's largest atom smasher is back on line this month. Also; astronomers catch a naked speeding star, and Mars once had a giant ocean.