ABC News - Science Key ingredient for life found spewing from Saturn's icy moon Enceladus 2017-04-14T06:45:00.000000000+00:00 ALIEN LIFE: The likelihood of one of Saturn's moons harbouring life has been boosted with the discovery by NASA's Cassini spacecraft of molecular hydrogen spewing from the moon's surface. Astronomers detect ultra-faint galaxy from the very early Universe 2017-04-10T23:17:00.000000000+00:00 DISTANT PAST: Astronomers discover the faintest galaxy ever glimpsed in the early universe, shedding light on a critical period of time just 700 million years after the Big Bang. Dreaming 'hot zone' found at the back of the brain 2017-04-10T23:15:00.000000000+00:00 DREAM ZONE: Scientists have found a "hot zone" in the back of the brain that is active during dreaming at all times, challenging long-held beliefs about what happens in our brains while we sleep. Stargazing Live viewers find four-planet solar system 2017-04-06T11:30:00.000000000+00:00 ALIEN SOLAR SYSTEM: Australian volunteer citizen scientists find four previously unknown planets orbiting a nearby star thanks to a crowd-sourcing project aired on the ABC's Stargazing Live. Crown-of-thorns starfish DNA reveals coral killer's weakness 2017-04-05T23:40:00.000000000+00:00 MARINE BIOLOGY: A unique messaging system used by the crown-of-thorns starfish to 'talk' to each other could hold the key to developing a bio-control to help save the Great Barrier Reef from the marine predator's devastating attacks. Majority of Mars' atmosphere lost to space 2017-03-30T22:41:00.000000000+00:00 LOST IN SPACE: A large portion of Mars' atmospheric gases have been literally lost in space, according to a new study. Extreme heat is pushing parts of the Great Barrier Reef beyond recovery 2017-03-15T22:56:00.000000000+00:00 CORAL GRAVEYARD: Parts of the Great Barrier Reef will never fully recover from repeated bleaching of its corals by spikes in sea surface temperatures, scientists say. Scans uncover world's oldest plant-like fossils 2017-03-14T23:10:00.000000000+00:00 ANCIENT ALGAE: New scanning technology gives scientists an extraordinary view inside the cells of what may be 1.6 billion-year-old red algae, the oldest plant-like fossils ever found. DNA confirms Aboriginal people have a long-lasting connection to country 2017-03-08T23:09:00.000000000+00:00 ABORIGINAL HERITAGE: Members of the Stolen Generations may finally find a way back to their country thanks to new research that reveals differences in Aboriginal DNA can be linked to specific geographic areas. Ancient dental plaque shows some Neanderthals ate plants and used drugs 2017-03-08T23:03:00.000000000+00:00 PALEO DIET: We might think of Neanderthals as meat-eating cave men, but DNA from prehistoric dental plaque shows some of our palaeo cousins were vegetarians who used plant-based medicines.